Book Back answer is:-
1.)246 m²
2.)294 m².
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Step-by-step explanation:
1)required area=area of square-area of circle
=(20)²-pi×7×7
=400-(22/7)×7×7
=400-154=246m²
2)required area=area of outer rectangle-area of inner rectangle
=15×40-34×9=600-306=294m²
(because the path is 3 m wide therefore the length of inner rectangle becomes 40-3-3=40-6=34m and breadth becomes 15-3-3=15-6=9m)
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answer for the given problem is given
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