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A circular pond of radius 14 m has a walking track 3.5 m wide around it. Find the area of the track. (Use $π = \frac{22}{7}$ )

Class 7Area of Paths and BordersPerimeter and Area

A $346.5 m^{2}$
B $616 m^{2}$
C $308 m^{2}$
D $962.5 m^{2}$

Step-by-Step Solution

Outer radius = 17.5

m

. Track =

\frac{22}{7} \times (17. 5^{2} - 1 4^{2}) = \frac{22}{7} \times (306.25 - 196) = \frac{22}{7} \times 110.25 = 346.5 m^{2}

.

Answer: A)

346.5 m^{2}

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