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Answer:
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Answer:
Length of the boundary = Perimeter of a semicircle
∴(π+2)r=36m=(
7
22
+2)×r=36
(
7
22+14
)×r=36m=
7
36
×r=36⇒r=7m
Area of the park = Area of the semicircle
A=
2
πr
2
sq. units =
7
22
×
2
7×7
=77m
2
∴ Area of the park = 77 m
2
.