Across
- 5. angles that sum up to 90 degrees
- 8. angles that sum up to 180 degrees
- 9. when angles or shapes are equal
- 11. an angle less than 90 degrees
- 12. angles with a common vertex and side but no common interior points
Down
- 1. an angle equal to 90 degrees
- 2. a flipped fraction
- 3. the length of a line that encloses a two dimensional shape
- 4. the number that when cubed produces a given number
- 6. when two lines meet at a right angle
- 7. a line that intersects other lines
- 10. all sides of a triangle are different lengths