Question

The area of a sector of a circle of radius 16 cm cut off by an arc which is 18.5 cm long is

• A. $168c{m}^2$
• B. $148c{m}^2$
• C. $154c{m}^2$
• D. $176c{m}^2$

Answer 1

Answer: (B)

$148c{m}^2$

$A=\frac{1}{2}lr=\frac{1}{2}\times 18.5\times 16=148c{m}^2$