Question

In angle ABC if AB=AC and angle B=50degree then find the measurement of angle A

Answer 1

Answer:80°

Step-by-step explanation:Given:-AB=AC and <ABC=50°

Since AB=AC

•°• <ABC=<ACB (angles opposite to equal sides are equal)

•°•<ACB=50°

In triangle ABC by Angle sum property of triangle

<ABC+<ACB+<BAC=180°

=>50°+50°+<BAC=180°

=><A=180°-100°

=><A=80°