Question

a) The vertical angle of an isosceles triangle is two times the sum of its base angles. Find the measure of all angles.​

Answer 1

Answer:

let vertical angle be x

in isosceles triangle base angles are equal = y

x= 2* 2y =4y

x+ 2y =180.

6y =180

y = 30 Ans

x = 4*30= 120 Ans