#### Answer

The area is $750 \pi$ square units.

#### Work Step by Step

The area of a sector is
$A = 0.5 \times R^2 \times a$
where R is the radius, and a is the central angle in radians.
lets use the equation:
$A = 0.5 \times 10^2 \times 15 \pi = 750 \pi $