Question

please give the answer in equarion please​

Answer 1

Answer:

In isosceles triangle, two angles are of equal measure

let the unknown angle be n degrees

Angle sum property of triangle = 180degrees

x = 100degrees

find y, z

x+y+z=180

100+n+n=180

2n= 80

n= 80/2

n=40degrees

ans- 40degrees