Question

In triangle ABC, if AB=AC, and angle A=4x,angle B=3x ,find angle C.?

Answer 1

Answer:

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Answer 2

Answer:

To find:-

Angle C

Step-by-step explanation:

In triangle ABC

AB = AC, that is it is an isosceles triangle.

It is given that angle A= 4x and

Angle B = 3x.

But since ABC is an isosceles triangle_

Angle B=Angle C=3x

(Angles opposite to equal sides are equal)

Angles(A+B+C)=180°(angle sum property of a triangle)

4x+3x+3x=180°

10x=180°

x=18°

Therefore angle A=4*18=72°

angle B=angle C=3*18=54°