MathDB
Triangle Geometry

Source: Indian Postal Coaching 2012 Set 1 #5

September 19, 2013
geometrytrigonometrycircumcirclegeometry unsolved

Problem Statement

In triangle ABCABC, \angle BAC = 94^{\circ},\ \angle ACB = 39^{\circ}. Prove that BC2=AC2+ACā‹…AB BC^2 = AC^2 + AC\cdot AB.
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