Question

to find the given instructions by which formula

Answer 1

I can't understand the question

But I will solve the question in photos

Here the diameter = 168m
The width of the road = 7m

So area of road = length * width

The length of the road = perimeter of circle =
$2\pi \: r$
$= 2 \times 22 \div 7 \times 168 \div 2$
$= 528$
So the length of the road = 528 m

Now lets find the area = l * b
=528 * 7 m = 3696 m²

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