A minor sector of a circle has perimeter $20$ cm and area $24\text{ cm}^2$. Its radius is $r$

Question

A minor sector of a circle has perimeter $20$ cm and area $24\text{ cm}^2$. Its radius is $r$ cm and its angle is $\theta$ radians, where $0<\theta<\pi$.

Accepted Answer

(a) $r=4\text{ cm or }r=6\text{ cm}$

Two possible sectors

Two possible sectors

Solution:

Solution locked