Question

in an isosceles triangle the base angles are equal the vertex angle is twice of either of the base angle what are the angles of triangles

Answer 1

Let base angles are x

then vertex angle = 2x

Sum of angles of a triangle = 180

x + x + 2x = 180

4x = 180

x = 45

Vertex angle= 2 x 45 = 90

Angles of a triangle = 45, 45, 90

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