A playground sprinkler waters a part of the lawn in the shape of a sector with a…

MATHEMATICS · Subjective · CBSE · Mathematics · Areas Related to Circles · Areas Related to Circles

Problem

A playground sprinkler waters a part of the lawn in the shape of a sector with a central angle of

45^\circ

. The area watered is

1.1\,\text{m}^2

. Find the radius of the sprinkler’s reach in centimetres. Use

\pi = 3.14