1	2
			3											4
5
							6
		7			8
9												10
			11
												12
					13

Across 1. The ____________ of a triangle is each of the three points joining the sides of a triangle. 3. The point that divides, or bisects a segment into two congruent segments. 6. A statement that can be proved easily using a theorem or a definition. 7. The non-congruent side of an isosceles triangle that has only two congruent sides is its _______. 9. An _____________ triangle is a triangle with three congruent sides. 11. An angle with measure equal to 90 degrees. 12. The _______ of a right triangle are the sides that form the right angle. 13. An angle with measure between 0 degrees and 90 degrees.

Down 2. Alternate ________ angles are two angles that are formed by two lines and a transversal and that lie outside the two lines on opposite sides of the transversal. 4. Alternate ___________ angles are two angles that are formed by two lines on opposite sides of the transversal. 5. An ____________ triangle has at least two congruent sides. 6. ___________________ segments are segments that have the same length. 8. An ________ triangle is a triangle with three congruent angles. 10. A triangle with no congruent sides.