Mensuration Practice Test 10

Question : 31 of 40

Marks: +1, -0

A horse is tethered to a peg with a 14 m long rope at the corner of a 40 m long and 24 m wide rectangular grass-field. What area of the fields will the horse graze?

154 $m^2$
308 $m^2$
240 $m^2$
480 $m^2$

Validate

Solution:

Let us suppose that O’B is the radius of the circle.

Area of the circle =

πr^2

{22}/7 × 14 × 14

= 616
Quarter part of the circle =

{616}/4

154 cm^2

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