Question

3. If one of the angles of an isosceles triangle is 100°, the measure of other two equal

angles is

a) 70° and 70° b) 40° and 40° c) 50° and 50° d) 38° and 38°​

Answer 1

Answer:

b ) 40° and 40°

Hope it helps

Answer 2

Hi there !

Your Answer :-

Sum of all angles = 180°

One Angle = 100°

Let the other angle be x.

So, the Equation formed is:-

$\sf{x + x + 100 = 180}$

$\sf2x = 180 - 100$

$\sf2x = 80$

$\sf \: x = 40$

So, the Answer is 40 and 40.