One of the corners of an isosceles triangle is 160. Find one of its other corners.
June 17, 2021 | education
| From the condition we know that one of the angles of an isosceles triangle is 160 °.
In order to find one of the other angles, let’s remember the property of angles at the base of an isosceles triangle.
An isosceles triangle is a triangle in which two sides are equal and, accordingly, two angles at the base are equal.
And the sum of all the angles of the triangle is 180 °.
Let’s find what is the sum of the two angles at the base of the triangle:
180 – 160 = 20 °.
20 °: 2 = 10 ° equal angles at the base.
Answer: 10 °.
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