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Geometry

Geometry = Math of Euclid. Geometry is the Branch of math known for shapes (polygons), 3D figures, undefined terms, theorems, axioms, explanation of the universe, and pi.

176,573 Questions

Who is the inventor of isosceles triangle?

Mr Isosceles.

He was a Classical Greek mathematician, who gave his name to a triangle of two EQUAL sides and two EQUAL angles.

How many triangles would it take to make this hexagono?

To create a hexagon using triangles, you can divide the hexagon into 6 equilateral triangles by drawing lines from each vertex to the center of the hexagon. Therefore, it would take 6 triangles to completely fill a hexagon.

If the perimeter of the adult pinball machine is 167 inches what is the length in inches of Segment line G prime A prime?

To find the length of Segment line G' A', we need additional information about the shape and dimensions of the pinball machine, as the perimeter alone doesn't provide enough detail. If the pinball machine has specific proportions or if G' A' is a segment of a specific side, those details would be crucial. Without that information, we cannot determine the length of Segment line G' A'.

If both nappes of a right circular cone are intersected by a plane that does not pass through the vertex of the cone is?

If both nappes of a right circular cone are intersected by a plane that does not pass through the vertex, the intersection will result in two separate conic sections. Depending on the angle of the plane relative to the axis of the cone, the intersections can be ellipses, hyperbolas, or parabolas. If the plane is parallel to the base of the cone, it produces a circle. If it intersects one nappe at an angle, it can form a hyperbola.

What are two angles with common sides?

Two angles with common sides are referred to as adjacent angles. These angles share a common vertex and one side, while the other side of each angle extends in different directions. For example, if two angles are formed by two intersecting lines, the angles that share one of the intersecting lines as a side are adjacent angles.

One of the equal angles of an isosceles triangle is 63 what is the size of the unequal angle?

In an isosceles triangle, the two equal angles are each 63 degrees. The sum of the angles in any triangle is 180 degrees. Therefore, the size of the unequal angle can be found by subtracting the sum of the equal angles from 180 degrees: (180 - (63 + 63) = 180 - 126 = 54) degrees. Thus, the size of the unequal angle is 54 degrees.

How are tessellations and fractals similar?

Tessellations and fractals both involve patterns that repeat and can create intricate designs. Tessellations cover a plane without gaps or overlaps using geometric shapes, while fractals are infinitely complex patterns that exhibit self-similarity at various scales. Both concepts illustrate mathematical beauty and can be found in nature and art, highlighting the interconnectedness of geometry and aesthetics. Their structures also serve as a foundation in various fields, including computer graphics and architecture.

What functions do lines in two dimensional art have?

In two-dimensional art, lines serve multiple functions, including defining shapes and forms, creating texture, and guiding the viewer's eye through the composition. They can convey movement, emotion, and depth, as well as establish rhythm and balance within the artwork. Additionally, lines can symbolize various concepts, such as boundaries, connections, or pathways, enhancing the overall narrative or message of the piece.

What is the name of a 51-sided polygon?

A 51-sided polygon is called a "pentacontakaihenagon." In this term, "penta-" refers to five, "conta-" refers to twenty, and "kai" means "and," while "henagon" indicates a polygon. Therefore, it literally translates to a polygon with fifty-one sides. However, it is often simply referred to as a 51-gon in casual contexts.

What is the circumference of the radius of 6.1?

The circumference ( C ) of a circle can be calculated using the formula ( C = 2\pi r ), where ( r ) is the radius. If the radius is 6.1, then the circumference is ( C = 2\pi \times 6.1 \approx 38.34 ) units. Thus, the circumference of a circle with a radius of 6.1 is approximately 38.34 units.

What is a simplified expression for the perimeter of the polygon?

To find a simplified expression for the perimeter of a polygon, you can add up the lengths of all its sides. If the polygon has sides of lengths ( a_1, a_2, a_3, \ldots, a_n ), then the perimeter ( P ) can be expressed as ( P = a_1 + a_2 + a_3 + \ldots + a_n ). If some sides are equal or can be grouped, you can further simplify the expression accordingly. For example, if there are ( k ) equal sides of length ( s ), the perimeter can be simplified to ( P = k \cdot s + \text{(sum of other side lengths)} ).

What is the diameter of a quarter in cm?

The diameter of a U.S. quarter is approximately 2.4 centimeters. This measurement is consistent across all quarters produced by the U.S. Mint.

What does chive looks like?

Chives are slender, green perennial herbs that resemble small, hollow tubes. They grow in clumps and typically reach about 12 to 24 inches in height. Chive leaves are vibrant green and have a mild onion flavor, while they also produce small, purple, globe-like flowers in the summer. Overall, they have a delicate, grass-like appearance.

What triangles add up to 360?

In geometry, triangles themselves do not add up to 360 degrees, as the sum of the interior angles of a single triangle is always 180 degrees. However, if you consider multiple triangles, such as four triangles, their combined interior angles can total 360 degrees. This can occur in specific configurations, such as when triangles are arranged around a point, with each triangle contributing to the total angle measure around that point.

How many lines of reflection does a regular hexagon has?

A regular hexagon has six lines of reflection. Each line of reflection passes through one vertex and the midpoint of the opposite side or through the midpoints of two opposite sides. This symmetry allows the hexagon to be reflected onto itself in multiple ways. Thus, the total count of reflection lines is equal to the number of vertices or sides.

How many sides does a polygon have if it's 720 degrees?

To find the number of sides in a polygon based on its interior angle sum, we use the formula: ( S = (n-2) \times 180 ), where ( S ) is the sum of the interior angles and ( n ) is the number of sides. Setting ( S ) to 720 degrees gives us the equation ( 720 = (n-2) \times 180 ). Solving for ( n ), we find ( n = 720/180 + 2 = 4 + 2 = 6 ). Therefore, the polygon has 6 sides, making it a hexagon.

What does an equilateral triangular net look like?

An equilateral triangular net consists of a series of equilateral triangles arranged in a flat, two-dimensional layout. Each triangle has three equal sides and angles of 60 degrees. The net can be visualized as a repeating pattern of these triangles, often used in geometry to help visualize three-dimensional shapes, such as a tetrahedron. When folded, the net forms a solid shape where all faces are equilateral triangles.

How many diagonal in the icosagon?

An icosagon, which is a polygon with 20 sides, has a total of 170 diagonals. The formula to calculate the number of diagonals in a polygon is ( \frac{n(n-3)}{2} ), where ( n ) is the number of sides. For an icosagon, this calculation is ( \frac{20(20-3)}{2} = \frac{20 \times 17}{2} = 170 ).

What does a eathlodge looks like?

A earthlodge is a traditional dwelling typically constructed by Native American tribes, characterized by its dome-shaped structure made from a framework of wooden posts, covered with earth, grass, and sod. The interior is often spacious, with a central hearth for cooking and heating, and it features low ceilings. The exterior blends into the surrounding landscape, providing insulation and protection from the elements. Earthlodges are both functional and symbolic, representing a deep connection to the earth and community living.

When two or more melodic lines of equal interest are performed simultaneously what is the texture called?

The texture created when two or more melodic lines of equal interest are performed simultaneously is called polyphony. In polyphonic music, each melodic line retains its distinctiveness while contributing to the overall harmony and complexity of the piece. This texture is commonly found in various musical styles, particularly in Renaissance and Baroque music.

What is a name for isosceles?

An isosceles triangle can also be referred to as a "isosceles" triangle, which specifically denotes that it has at least two sides of equal length. In some contexts, it may simply be called a "two-sided triangle," but this terminology is less common. The key characteristic of an isosceles triangle is its two equal sides and the angles opposite those sides being equal.

How many curved surfaces does a hexagonal pyramid have?

A hexagonal pyramid has one curved surface, which is the lateral surface that connects the apex to the base. The base of the pyramid is a hexagon, contributing six flat surfaces. Therefore, in total, the hexagonal pyramid has one curved surface and six flat surfaces.

How do you find the empty space if you put a sphere in a cube?

Vol(cube) = length(diameter)^(3)

Volume(sphere) = (4/3) pi* radius^(3)

Now the radius is '1/2 ' the diameter/length , assuming as 'perfect' fit.

So substituting

Vol(cube) = (2radii)^(3) = (2r)^(3)

To find the 'Ullage' unused space, subtract one from the other.

Vol(cube) - Vol(sph).

(2r)^(3) - (4/3 pi*r^(3)

Factor

r^(3) [ 2^(3) - (4/3 pi ]

=>

4r^(3) [ 2 - pi/3]

NB ' pi = 3.141592.....

So all you need is to find the length of one side of the cube and halve it.

So if the cube is 64 units^(3)

Then the side length is the cube root of 64 units^(3) , which is 4units.

Half of this side length is 2 units ( 4/2) , this is the radius(r).

Substituting

Ullage space is 4(2)^(3) [ 2 - 3.14 / 3] ==>

4(8)[ 2 - 1.047...]

32[ 2 - 1.047...]

32[ 0.9529...] == >

30.9438.... units^(3) is the volume of the Ullage space.

What is the volume of a cube with side length 4?

Length = 4 units

Area ( of a face) = 4units x 4 units = 16 square units

Volume = 4 units x 4 units x 4 units = 64 cubic units.,