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March 5, 2015

March 5, 2015

Posted by **Anonymous** on Monday, October 26, 2009 at 3:32pm.

- Geometry -
**MathMate**, Monday, October 26, 2009 at 5:04pmLet each of the equal angles be A.

Since we know that the angles of a triangle add up to 180°, we determine that the third angle is (180-2A)°.

Thus

A=2(180-2A)

5A = 360

A = 72

Therefore the angles are 72°, 72° and 36°.

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