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Rocket clouds
triangles by Mind Map: triangles

1. isosceles triangle - it is a triangle with at lest two congruent sides.

2. equilateral triangle - it is a triangle with three congruent sides.

3. acute triangle - it is a triangle that has three acute angles

4. equiangular triangle - it is a triangle that has three congruent acute angles.

5. right triangle - it is a triangle with a right angle.

6. scalene triangle - it is a triangle with no congruent sides.

7. auxiliary line - is a line that is added to a figure to aid in a poof.

8. corollary - is a theorem whose proof follows directly from another theorem

9. interior - is the set of all point inside the figure

10. exterior - is the set of all points outside the figure

11. interior angles - is formed by two side of a triangle.

12. congruent polygons - are two polygons.

13. included angle - is an angle formed by two adjustment sides of a polygon.

14. triangle rigidity - gives you a shortcut for proving two triangle congruent.

15. exterior angles - is formed by one side of the triangle.