Across
- 2. The measure of the surface inside a shape.
- 4. An angle larger than 90 degrees but less than 180 degrees.
- 5. The result of a number times itself.
- 6. A triangle with no equal sides.
- 8. Shapes that have the same form but different sizes.
- 11. A corner or a point where lines meet.
- 14. The longest side of a right triangle.
- 15. The space between two intersecting lines or surfaces.
Down
- 1. A triangle with two sides of the same length.
- 2. An angle smaller than 90 degrees.
- 3. A proposition that has been proven on the basis of previously established statements. Pythagoras’ ___
- 7. A triangle where all sides are the same length.
- 9. A unit used to measure angles.
- 10. A polygon with three sides.
- 12. Angle An angle of 90 degrees.
- 13. Greek Mathematician with a famous theorem about right triangles.
