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What shape is not a quadriateral but is a plane with 3 sides?
A triangle.
Is a right triangle a perpendicular shape?
Not necessarily. It is a plane shape which could be horizontal.
What identifies a triangle?
A triangle is a closed plane shape bounded by three straight sides.
What shape has a closed plane figure with at least three sides?
A three sided closed plane figure (shape) is a triangle.
Is a triangle?
A triangle is a shape that has 3 sides and 3 corners. It is a three-sided polygon, which is a plane shape bounded by three straight lines.
What are the possibities for the intersection of a triangle and a paralleogram in a plane?
Depending on their sizes and orientation, any shape from a triangle to a dodecagon.
How is a triangle and a circle similar?
A closed, convex, plane (2-dimensional) shape.
Is a plane shape another name for a square?
yes and triangle trapezoid and rectangle
How do you find the area of a triangle on a coordinate plane?
you count the number of boxes IN the shape.
Can a equliteral triangle be a acute angle?
No, an angle is not a polygon - lie a triangle - which is a closed plane shape bounded by straight lines.
How do you find if a polygon is a rigid plane-shape?
The only convex polygon that is rigid is a triangle.
What name is given to a triangle with four plane faces?
By its very nature of being a triangle, and a 2D shape, a triangle cannot have four plane faces. However, a tetrahedron is a polyhedron made up of four triangular faces.
