Across
- 1. A line segment whose endpoints lie on a circle.
- 3. ANGLE An angle exactly equal to 90°.
- 6. A line from the center of a circle to its edge.
- 8. A theorem used to find a missing side of a right triangle when the lengths of the other two sides are known.
- 10. Formula for a triangle: ½ × base × height.
Down
- 2. An angle greater than 90° but less than 180°.
- 4. A polygon with three sides and three angles.
- 5. A set of all points in a plane equidistant from a center
- 7. An angle smaller than 90°.
- 9. Part of the circumference of a circle.