12)Find the measure of an angle,if eight times its complement is 20 degree less than three times its supplement.
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The angle is 40 degrees.
Its supplement is 50 degrees.
Its complement is 140 degrees.
50 x 8 = 400
400 + 20 = 420
140 x 3 = 420
Its supplement is 50 degrees.
Its complement is 140 degrees.
50 x 8 = 400
400 + 20 = 420
140 x 3 = 420
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