Question

A circular garden of diameter 140 M has a 3.5 M wide path all around on the outside find the area of the path.

Answer 1

Area of path= area of whole figure - area of garden
radius of garden= Diameter/2
= 140/2
= 70 m
Area of garden=
$\pi \: r ^{2}$
= 22/7×70×70
=22×700
= 15400 m^2
Radius of whole figure= 70+3.5+3.5= 77 m
Area of whole figure= 22/7×77×77
= 22×847
= 18634 m^2
therefore, area of path= 18634 - 15400
= 3234 m^2

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