Question

In an isosceles triangle the base angles are equal and the vertex angle is twuce of each base angle. Find the measure of the angles of the triangle.​

Answer 1

Step-by-step explanation:

firstly let base angles =X

then the rest one angle is 2x

then apply angle sum property of triangle

X+X+2X =180

4X =180

X=45

so first two angles are 45°each

and third one is 45×2=90°

Answer 2

Step-by-step explanation:

let the base angle be 'x'.

as it is an isocles triangle so two of it's angle are equal.

The vertex angle is twice the base angle which is given it means that it is '2x'

x+x+2x=180{triangle property}

4x=180

x=180/4

x= 45°

Angles of triangles-

45°,45° and 90°