Question

In ΔBAT, if BA = BT and ∠B = 40°, then ∠ A is equal to

Answer 1

Answer:

From the given condition,

it's clear that triangle is isosceles triangle.

since BA= BT

therefore, Angle A +Angle C=160

but angle A=angle C

i.e. 2angle A=160

i.e. angle A= 80