prove that "the sum of the three interior angles of a triangle is 180°
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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°.
Step-by-step explanation:
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°.
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by angle sum property we can say that interior angles of a triangle is equal to 180degree
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