In an isosceles triangle, one of the equal angles is 40 °, find the third angle.
| November 23, 2020 | education
In an isosceles triangle, the angles at the base are equal. The angles in any triangle add up to 180 degrees. Because by condition, one of the equal angles is equal to 40 degrees, the sum of 2 such equal angles will be 80. To find the third angle, you need to subtract 80 from 180, we get 100 degrees.
The answer is 100 degrees.
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