Across
- 6. When the sides of a polygon are extended other angles are formed.
- 8. A polygon with three equal length sides.
- 10. The measure of an exterior angle of a triangle is equal to the sum.
- 11. The sum of the interior angles of a triangle is 180 degrees.
- 12. A triangle in which all three sides interior angles are acute.
- 13. figures are identical in shape and size.
- 14. A triangle with one angle greater than 90 degrees but less than 180.
Down
- 1. A polygon or figure where all interior angles are equal.
- 2. The original angles
- 3. The figure formed by two rays, known as the vertex
- 4. A triangle in which all three sides have different lengths.
- 5. A 3-sided polygon with one 90 degree angle.
- 7. polygon with three sides, having at least two sides of equal length and angles.
- 9. The name of the angles being used.
- 15. A polygon with three sides