Question

Can someone pls give a step by step answer for this.

Answer 1

Answer:

By the Given figure we can say that it is a isosceles triangle

in isosceles triangle

The angles opposite to the equal sides are equal

so <A=<B

so <BAC=50°

Hence option b is correct

Answer 2

Answer:

In triangle ABC

BC= AC... given

hence abc is isosceles triangle

angle A and Angle B are congruent

2x+20=50

2x= 30

x= 15...put in angle a

.

c= 50

Step-by-step explanation:

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