The area of a sector of a circle of radius 5 cm, formed by an arc of length 3.5 cm, is · ABC26GN4614
Subject: General Aptitude · Chapter: Area
The area of a sector of a circle of radius 5 cm, formed by an arc of length 3.5 cm, is
(a)$7.5 \mathrm{cm}^{2}$
(b)$7.75 \mathrm{cm}^{2}$
(c)$8.5 \mathrm{cm}^{2}$
(d)$8.75 \mathrm{cm}^{2}$
Answer
Explanation
Area of the sector $$=\left(\frac{1}{2} \times \operatorname{arc} \times R\right)=\left(\frac{1}{2} \times 3.5 \times 5\right) \mathrm{cm}^{2}=8.75 \mathrm{cm}^{2} .$$
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