Question

In Fig. 6.35, if AB || CD, angle BPR = 130°
and angle CQR = 30°, find angle PRQ
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Answer 1

Answer:

One angle has 180°. If BPR=130°, CQR=30°,PRQ=20° because First add 130°+30°= 160° And then subtract 180°-160°=20°