Tyrannosaurus Math

2. a perpendicular from the center of a regular polygon to one of its sides.
3. a closed plane curve consisting of all points at a given distance from a point within it called the center
9. at an angle of 90° to a given line, plane, or surface
10. triangle a triangle with a right angle
11. the border or outer boundary of a two-dimensional figure.
12. A transformation where each point in a shape appears at an equal distance on the opposite side of a given line - the line of reflection
15. a straight line from the center to the circumference of a circle or sphere
17. area the extent of a 2-dimensional surface enclosed within a boundary
18. the amount of space, measured in cubic units, that an object or substance occupies.
19. angle An angle that measures more than 90 degrees but less than 180 degrees

1. the side of a right triangle opposite the right angle.
4. a geometric line segment whose endpoints both lie on the circle
5. angle an angle formed by two chords in a circle which have a common endpoint
6. the enclosing boundary of a curved geometric figure, especially a circle
7. angle an angle smaller than a right angle
8. a straight line passing from side to side through the center of a body or figure, especially a circle or sphere
9. theorem a statement about the sides of a right triangle
13. area The lateral area is the surface area of a 3D figure, but excluding the area of any bases
14. triangle a triangle that has two sides of equal length
16. height The slant height of an object is the distance measured along a lateral face from the base to the apex along the "center" of the face. In other words, it is the altitude of the triangle comprising a lateral face