Jambmaths question:
An arc subtends an angle of 50o at the centre of circle of radius 6cm. Calculate the area of sector formed
Jamb Maths Solution:
$\begin{align} & \theta ={{50}^{\circ }},\text{ }r=6cm \\ & \text{Area of sector }=\frac{\theta }{{{360}^{\circ }}}\times \pi {{r}^{2}} \\ & \text{Area of sector}=\frac{{{50}^{\circ }}}{{{360}^{\circ }}}\times \frac{22}{7}\times {{6}^{2}}c{{m}^{2}}=\frac{110}{7}c{{m}^{2}} \\\end{align}$
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