Across
- 4. angles two angles whose sum is 90 degrees.
- 6. segment whose endpoints are the center of the circle and a point on the circle.
- 8. of any surface is the number of square units required to cover the surface.
- 9. the distance around a circle.
- 10. lines two lines that intersect to form right angles.
Down
- 1. of a polygon is the distance around the polygon.
- 2. Theorem in a right triangle, the sum of the squares of the legs is equal to the square of the
- 3. number of cubic units contained in a solid.
- 5. lines two lines are parallel if they are coplanar and do not intersect.
- 7. chord that passes through the center of the circle.
