Find the Area of the Triangle

Short Answer

Find the area of the triangle. If necessary, round the answer to two decimal places.
-Find the area of the shaded portion ( see illustration) of a circle of radius 25 cm, formed by a central angle of
115°. Round your answer to the nearest square cm. [Hint: Subtract the area of the triangle from the area of the sector of the circle to obtain the area of the shaded
portion.]