Question

One of the base angles of an isosceles triangle
is 70°. The vertical angle of the triangle is​

Answer 1

Answer:

Vertical angle of the triangle is 40°.

Step-by-step explanation:

Given, base angle = 70°

In an isosceles triangle, the base angles are equal.

So, 2 angles are 70°.

By ASP of triangle,

70°+70°+vertical angle = 180°

→vertical angle = 180°-140°

→verrical angle = 40°.

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