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Two angles of a trangle are 30 degree and 80 degree. Find the third angle. |
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Answer» Given Angle 1 = 30° ; Angle 2 = 80° To FIND : Third angle = ? We KNOW that, Angle sum property of a triangle states that, if we sum up all the interior angles of a triangle, we get 180° as the sum. => 30° + 80° + Angle 3 = 180° => 110° + Angle 3 = 180° => Angle 3 = 180° - 110° => Angle 3 = 70° Hence the MEASURE of third angle is 70°. |
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