# In an isosceles triangle, the vertex angle is twice the each base angle. What is the vertex angle?

##### 2 Answers

Nov 14, 2015

#### Explanation:

Since the sum of the interior angles of any triangle adds up to

Therefore the vertex angle is

Jan 9, 2018

#### Explanation:

An isosceles triangle has two sides of equal length. Likewise, the opposite angles of the sides are the same

So lets assume each angle be

Now, we know that sum of the angles in a triangle is 180 degree

So,

Now the other angle is

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