Question

prove that the sum of the angles of a tringle is 180°​

Answer 1

Answer:

To prove the above property of triangles, draw a line \overleftrightarrow {PQ} parallel to the side BC of the given triangle. Thus, the sum of the interior angles of a triangle is 180°.

Answer 2

Answer:

To prove the above property of triangles, draw a line \overleftrightarrow {PQ} parallel to the side BC of the given triangle. Thus, the sum of the interior angles of a triangle is 180° The sum of the three angles of any triangle is equal to 180 degrees. .

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