Question

Step 1

Since base angle of isosceles triangle is equal so let each base angle = x

So twice of the base angle = 2x

And third angle = 2x + 8

Step 2

Now three angles of given isosceles triangle are x, x, 2x+8

Step 3

Using angle sum property of triangle

x + x + 2x + 8 = 180

4x + 8 ...

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