A hungry virtual student named Pai buys a pie from the market and eats 5 slices. The slices subtend a combined angle of 3π/5 rad. If each slice has a radius of 25 cm, what is the area of that pai has eaten?

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.