Question

In angleabc,if anglea=100 and ab=ac. Find angleb and anglec.

Answer 1

Answer:

40 degree as two sides are equal angles. are equal use angle sum

Answer 2

Answer:

Step-by-step explanation:

In triangle ABC

AB=AC

Angle B=Angle C(Angles opposite to equal sides)

Angle A=100°

Angle A+Angle B+Angle C=180°(Angle sum property of triangle)

Angle B+ Angle C=80°

2(Angle B) =80°

Angle B=40°

Angle B=Angle C

Angle C=40°