Question

In the figure A=60 degreee,AB=AC=7.2cm
Figure is a triangle



Find angle B and find length of BC

Answer 1

Answer:

where is the figure........?

Answer 2

Answer:

angle A=60°

AB=AC=7.2

then it is isosceles triangle

angles of this triangle

angleABC=angleACB

sum of sides of triangle 180°

180-60°=2angleB

120=2angleB

angle B =60°