a part of a uniform width is constructed inside a circular garden of diameter 16 metre if the circumference of the inner circle is 6 pi find the width of the path and area of the remaining Garden
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Answer:
Radius of the circular garden =
2
210
=105m
Radius of the region covering the garden and the path =105m+7m=112m
Area of the region between two concentric circles
with radius of outer circle R, and inner circle r =π(R
2
−r
2
)
Hence, the area of the path =π(112
2
−105
2
)=
7
22
(12544−11025)=
7
33418
=4774m
2
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