Question

 In an isosceles triangle ABC, AB = AC and ∠B = 85° , find ∠A.​

Answer 1

Answer:

∠A. = 10°

Step-by-step explanation:

Given :-

AB = AC

Unequal side = BC

Here angle B = angle C. ( Isosceles triangle property

So Angle C = 85degree

A + B + C = 180°. ( Sum angle property )

A = 180° - ( 85 + 85 ) °

= 180 - 170

= 10°