math

5. A triangle with two sides the same length.
7. A shape formed by three or more line segments called sides.
9. A three-dimensional shape with one polygonal base and latrtal sides that are all trianglesthat meet at a vertex opposite the base.
10. An ordered pair of numbers used to locate a point on a coordinate grid.
11. A triangle with no sides equal.
12. Ann angle that measures 90.
13. A corner of a polygon.

1. The measure of the distance around a figure.
2. lines Lines that meet at right angles.
3. A two-dimensional pattern that can be folded into a three-dimensional figure.
4. A polygon that has all off its sides equal and all of its angles equal.
6. The measure of the amount of surface enclosed by the boundary of a figure.
7. A three-dimensional shape with a top and bottom (base) that congruent polygons and leteral faces that are parallelograms.
8. The amount of space occupied by or the capacity of a three-dimensional shape.
11. The area required to cover a three-dimensional shape.