A roof truss for a house is in the shape of an isosceles triangle. The vertex angle is 72°. What are the measures of two the base angles?

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A: Triangel LMN is a right triangle, and angles L and N are equal. What is the measure of angle L ?

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Q: 14 ft 5 ft

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A: We can find the answers as below.

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Angles

In mathematics, angles constitute a very important part. Just like the concept of lines, an angle is a necessary figure that is used for measurement. How do you define its formation? It is formed when two or more lines meet at a point. The point at which two or more lines meet is known as the vertex. When the lines get inclined at this point, they do form various angles. Angles are measured from the vertex in terms of degrees.