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Prove the exterior angle property​

Answer»

allAngle Sum PROPERTY Of A TRIANGLE & Exterior Angle TheoremTheorem 1: Angle sum property of triangle STATES that the sum of interior angles of a triangle is 180°.Proof:Theorem 2: If any side of a triangle is extended, then the exterior angle so formed is the sum of the two opposite interior angles of the triangle.I hope it will help



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