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The questions l am giving are part of the homework l dont know, not my entire homework. 1. ABC is a triangle. The bisector of the exterior angle at B and the bisector of C intersect each other at D. Prove that angle D = 1/2 angle A. 2. In a triangle ABC, BD ⊥ AC and CE ⊥ AB. If BD and CE intersect at o, prove that angle BOC = 180° - A. 3. In a triangle ABC, AD bisects angle A and angle C > angle B. Prove that angle ADB > angle ADC. Please answer there questions. |
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