A = pi * r^2
A = 3.14 * 40^2
A = 5,024 sq ft
45/360 = 0.125
5024 * 0.125 = 628 sq ft
A circular room has radius equal to 40 feet. Marble is to be laid on a sector of the room.
What is the area of the sector if the central angle is 45°?
2 answers
1800 feet2
1 answer