Question

If angle ABC, if angle A = 100 and AB=AC, find a
ngle B and angle c.​

Answer 1

Answer:

Given AB = AC

so it is an isosceles triangle

so

angle. a +b + c= 180

b=c

100 +2x = 180

2x = 180- 100

2x = 80

angle b and c is equal to 40°

B=C= 40°