Math and Arithmetic

Algebra

123

Top Answer

a = 2b - 2

c = b + 3

so 2b - 2 + b + b + 3 = 25

that is, 4b + 1 = 25 ie 4b = 24 and so b = 6

then a = 2b - 2 = 12 - 2 = 10

and c = b + 3 = 6 + 3 = 9

So the three sides are 10m, 6m and 9m.

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0You say these things to yourself: -- "The perimeter is the distance all the way around the octagon." -- "The octagon has eight sides." -- "So, if it's a 'regular' octagon, then all the sides are the same length, and each side must be 1/8 of the perimeter." -- If it's not a 'regular' octagon, then it has some longer sides and some shorter ones, and the perimeter doesn't help me find the lengths of the sides.

If it did not, it would be a square.

No a trapezium is a rectangle wit one of the longer sides shorter

Either of the longer and shorter sides, but the length is usually the longer side and width is usually the shorter side.

Add together the lengths of the 4 sides, or you could add the length of one shorter side to one longer side and then double it. e.g. Perimeter of parallelogram = l = b = l = b, or 2(l + b)

This is technically algebra. SO LETS DO THIS!!!! We have to make an unknown and find it. Lets make x into this unknown and the shorter side into x. If the longer side is 3 more than the shorter side, that means that the longer side is equal to x+3 because you have the shorter side and you have to add 3 more to it to get the longer side. Now that you know what all sides are( x, x, x+3, and x+3) we can now solve. Since the perimeter of a rectangle is 54 meters and perimeter is the length of the sides put together, we simply have to add all the sides together. If we do this, we get x+x+x+3+x+3=54. To put it shorter, combind the x's and the 3's. Now it becomes 4x+6=54. Minus 6 from both sides, and you get 4x=48. Divide 4 from both sides, and you see that x=12. I hope I explained the question enough, and have a nice day.

If it has 50 sides, it ain't triangular. "Triangle" means 3 sides.If it has 50 sides, it ain't triangular. "Triangle" means 3 sides.If it has 50 sides, it ain't triangular. "Triangle" means 3 sides.If it has 50 sides, it ain't triangular. "Triangle" means 3 sides.

A triangular pyramid has 4 triangular sides. A rectangular pyramid has 2 triangular sides and 3 rectangular sides.

The perimeter is the sum of all of the sides of the triangle. If the shorter leg is x, the longer leg is 3x. The hypotenuse is then the square root of x^2 + 3x^2, or 2x. Then the perimeter is x + 3x + 2x, simplified, f(x) = 6x.

No it has 3 rectangular sides

Portrait is a rectangle that is shorter on the top and bottom and longer on the sides, (like a portrait) and landscape is longer on the top and bottom and shorter on the sides like you would paint a picture of a landscape.

A perimeter is the sum of the lengths of all of the sides to a shape. Therefore, there is no actual number of sides a perimeter can have. A shape has sides. Its perimeter is just a number. If rectangle, then 4 sides. If pentagon, then 5 sides. If hexagon, then 6 sides. If triangle, then 3 sides. If octagon, then 8 sides.

a triangular pyramid has 4 triangular sides

The pyramids have triangular sides but four sides.

A triangular pyramid has 4 triangular sides.A rectangular pyramid has 4 triangular sides and 1 rectangular side.

It means to add the lengths or measurements of the sides, to get the perimeter.It means to add the lengths or measurements of the sides, to get the perimeter.It means to add the lengths or measurements of the sides, to get the perimeter.It means to add the lengths or measurements of the sides, to get the perimeter.

The name of a shape with three rectangular sides and two triangular sides is a triangular prism. The common pup tent has this shape.

Add the lengths of the 3 sides to get the perimeter.

Pyramids are classified by the shape of their base. A triangular pyramid has a triangular base and three triangular side faces. A square pyramid has a square base and four triangular sides. A pentagonal pyramid has a pentagonal base and five triangular sides. A hexagonalpyramid has a hexagonal base and six triangular sides, and so on.

Rectangles have two pairs of two sides that are congruent. The first are the shorter sides and the second are the longer sides. PS congruent means the sides are the same length.

For a triangle to exist, the sum of the shorter two sides must be longer than the third side.

On squares and rectangles, yes. But on parallelograms and rhombus the one diagonal can be shorter than one of the sides.

A rectangle has two sides longer than the two shorter ends.

The perimeter of a square with sides of 3.5cm is:3.5cm x 4 = 14 cm perimeter

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