(a) Prove that the sum of the angles in a triangle is 2 right angles. (b) The side AB of a triangle ABC is produced to a point D. The bisector of ACB cuts A...

Question 1 Report

(a) Prove that the sum of the angles in a triangle is 2 right angles.

(b) The side AB of a triangle ABC is produced to a point D. The bisector of ACB cuts AB at E. Prove that < CAE + < CBD = 2 < CEB.

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