Question

In an isosceles triangle the base angles are equal and the vertex angle is twice of each base angle.Find the measures of the angles of the triangle.

Answer 1

45,45 and 90



hope it helps

Answer 2

let each base angle a nd b be x.
Therefore vertex angle c =2x.
Angle a+angle b+angle c=180 ( sum angle property of a triangle )
x+x+2x=180
4x=180
x=180/4
x=45 degree

so each base angle angle a and angle b is 45 degree and vertex angle c is 2×45
=90degree

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