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6. 2 segments
7. false
8. true
9.
diameter of half slice = 24cm
radius = 7cm
perimeter of semicircular slice = 2πr/2
= πr = 22/7× 7
=22cm
10.
diameter of garden = 19.6m
radius= 19.6/2 = 9.8m
area of garden =πr²
= 22/7×9.8×9.8
=301.84m
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