Question

1. In the figure of Q.no.11,given above ,if AC=AD=CD=BD ; find angle ABC .

2. In triangle ABC; AB=AC and angle A : angle B =8:5; find angle A

Answer 1

2..

£B=£C
5x+5x+8x=180
18x=180
x=10
angle A=10X8
=80°

Answer 2

Answer:

hope it helps u well

Step-by-step explanation:

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