Question

The vertical angle of a triangle ABC is
80°. If AB = AC then the value of <C is
40°
50°
60°​

Answer 1

Answer:

The correct answer is 50°

Step by Step explanation:

vertical angle=80°

therefore, as AB=AC

                    then angle C=angleB [Two equal sides of a triangle has there opposite angles equal]

Let angle C and Angle B be X

threrfore x+x+80°=180°

=>2x=100°

=>x=50°

therefore 50° is the correct answer!!

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