Question

What is the area of a sector with a central angle of $100$ degrees and a radius of $5$? (Use $\pi =3.14$)

• A. $21.80$
• B. $11.56$
• C. $12.46$
• D. $15.75$

Answer 1

Answer: (A)

$21.80$

Area = $\frac{n}{360}\pi r^2$
= $\frac{100}{360}\pi 5^2$
= $6.944\pi$
= 21.80