Question

Rob cuts a circular hole out of a rectangular piece of paper. The paper measures 20 centimeters by 30 centimeters. The hole is 10 centimeters in diameter. How much of the piece of paper, in square centimeters, is left over after the hole is cut out?

Answer 1

521.25

Explanation:

the circle is 78.75 in area and the square is 600 so 600- 78.75 = 521.25