Across
- 3. a triangle having two sides of equal length
- 6. Two distinct lines which intersect at each other at 90°
- 7. the amount of space that a substance or object occupies
- 8. a pair of numbers that show a specific location on a two-dimensional plane.
- 11. an angle that is exactly equal to 90 degrees
- 13. a term used to describe what a 3D shape would look like if it was opened out and laid flat.
Down
- 1. a triangle that has 3 unequal sides
- 2. the continuous line forming the boundary of a closed geometric figure.
- 4. polygon with congruent sides and equal angles
- 5. a measurement of all the space that the surface of a three-dimensional shape takes up
- 9. plane figure enclosed by line segments called sides
- 10. the highest point
- 12. the amount of space of shapes