Question

In an isosceles triangle the base angles are equal the Vertical angle is 40° find the
base angles of the triangle
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Answer 1

Answer:

Hey mate!

The base angles are 70° each.

Hope this helps :)

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Answer 2

Answer:

The base angles are equal therefore, first base angle = second base angle = x

The first base angle + second base angle + vertical angle = 180° ---- (Sum of all angles of a triangle)

x + x + 40 = 180

2x + 40 = 180

2x = 180 - 40

2x = 140

x = 140/2

x = 70

Therefore, base angles = x = 70°

Hope it helps you....