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Multiple Choice Questions (MCQs)7. Two small circular parks of diameters 16 m and 12 m are to be replaced by a bigger circular parkWhat would be the radius of the new park if the new park occupies the same space as the two smalparks?(a)10 m(b) 15 m(c) 20 m(d) 25 md is increased from 12 m to 23 m. How much addtitional grassy grour |
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Answer» The area occupied by both parks together would be(πx8²) + (πx6²) = 100π So the new park should be of area 100π.π x (New Radius)² = 100π So, (New Radius)² = 100 [As we cancel π on both sides]Therefore, New Radius = 10m hit like if you find it useful |
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