Across
- 6. Two lines that never intersect are called ____________________.
- 8. When two lines are crossed by another line (which is called the Transversal), the angles in matching corners are called ______________________.
- 9. ________angles of a polygon are formed by two adjacent sides.
- 10. The pairs of angles on opposite sides of the transversal but outside the two lines are called ______________________.
- 11. The __________ of the Pythagorean Theorem says that if a triangle has sides of length a, b, and c and if a2+b2=c2 then the angle opposite the side of length c is a right angle.
- 12. A ________ is formed by three line segments that intersect only at their endpoints.
- 13. The _________________states the sum of the squares of the lengths of the legs of a right triangle is equal to the square of the length of the hypotenuse.
Down
- 1. _________________ are just the two angles that are inside the triangle and opposite from the exterior angle.
- 2. An _____________ of a triangle is equal to the sum of the opposite interior angles.
- 3. The pairs of angles on opposite sides of the transversal but inside the two lines are called ______________________.
- 4. A ______________ is a line that passes through two lines in the same plane at two distinct points.
- 5. lines ______________ are two lines in a plane that intersect and form right angles.
- 7. _________ are the sides that form the right angle in a right triangle.
- 14. The hypotenuse is the side ________ to the right angle.