SOLUTION: in pentagon pqrst the measure of angle p is 60 degrees and the measure of angle q is 130 degrees. Angle s and angle t are each three times as large as angle r. Find the measures of

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Question 1118023: in pentagon pqrst the measure of angle p is 60 degrees and the measure of angle q is 130 degrees. Angle s and angle t are each three times as large as angle r. Find the measures of Angle r and angle s and angle t?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Sum of angle measures if angle at POINT R is x,
60%2B130%2Bx%2B3x%2B3x.

Pentagon will have sum of measures of interior angles 3%2A180=540.

x%2B3x%2B3x%2B60%2B130=540
.
.
7x=350
x=50--------at point R.

S and T each are 150 degrees.