In , . Point lies on such that . Answer the following…
MATHEMATICS · Multi-part · GCSE · Mathematics · Geometry and Measures · Geometry and Measures
Problem
In △ABC, AB=AC. Point D lies on BC such that AD⊥BC. Answer the following questions.
(i) Prove that △ABD≅△ACD.
(ii) Using the result of part (i), show that BD=DC.
(iii) If BC=12cm, find the lengths BD and DC.