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areaof circleAPB=πrr
=22/7×7/2×7/2=77/2cm
area of circle ARC=22/7×7×7=154cm
area of shaded region=area of circle ARC-area of circle APB=154-77/2=308-77/2=231/2
area of circle CQD=22/7×7/2×7/2=77/2
area of circle BSD=22/7×7×7=154
area of shahed region=154-77/2=231/2
total area=231/2+231/2=462/2=231
=22/7×7/2×7/2=77/2cm
area of circle ARC=22/7×7×7=154cm
area of shaded region=area of circle ARC-area of circle APB=154-77/2=308-77/2=231/2
area of circle CQD=22/7×7/2×7/2=77/2
area of circle BSD=22/7×7×7=154
area of shahed region=154-77/2=231/2
total area=231/2+231/2=462/2=231
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