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Across 1. A triangle in wich two sides are equal. 4. Two different angles that are made by two lines and a transversal occupies corresponding positions. 6. An angle wich measures to be 90 degrees. 7. The sides that form a right angle in a right triangle. 8. The rays are the sides of the triangle and the initial point of the rays is the? 10. When the lines of a triangle are extended the angles that are adjacent to the inside angles. 11. A triangle the measure less than 90 degrees. 12. Two sides of a triangle that have a common vertex. 14. A triangle that measures more the 90 degrees. 16. If two angles are congruent the sides that are in corresponding position and are congruent are called? 17. A triangle where no sides are equal. 18. A triangle that has three congruent sides. 19. When the lines of a triangle are extended the three original angles of the triangle. 20. It is the initial point of two rays.

Down 2. A triangle in wich all three sides are equal. 3. The two congruent sides of isoceles triangle. 5. Two angles that are at the bottom of a triangle. 9. Two geometric figures that have the exact same size and shape. 13. A statement that can be proved by using a defintion or thereom. 15. The opposite side of a right angle in a right triangle.