Across
- 3. the opposite of addition
- 5. type of angle is more than 90° but less than 180°
- 6. the formula for the perimeter of a rectangle
- 7. A figure with four equal sides and four right angles
- 8. the name for a triangle with all sides equal
- 10. the result of dividing a number by zero
- 11. a number called when it has no fractional or decimal part
- 12. the sum of angles in a triangle
Down
- 1. call a number that is divisible only by 1 and itself
- 2. the value of π (pi) approximately
- 4. The longest side of a right triangle is called the
- 6. call a number that can be written as a fraction
- 9. A straight angle equals how many degrees