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one angle of a triangle is 20 degrees. the second angles measurement is four times the third,what is the measurement of the third angle?
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The information that is given: 1st angle = 20 degrees 2nd angle = 4x 3rd angle = x degrees 20 + 4x + x = 180 ( Actual equation) 20 + 5x = 180 ( Combine like terms) 5x = 160 ( Subtract 20) x = 32 degrees ( Divide by 5) The third angle is 32 degrees.
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