Question

In Fig. 13.30 , ABC is an equilateral triangle and AD is perpendicular to BC. Prove that ∆ADB is congruent to ∆ADC in three different ways.

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Answer 1

Answer:

1. it devide b and c into two equal parts
2. it forms right angel
3. it is equilateral triangle

Step-by-step explanation:

in third point i am not sure