Question

From a rectangular metal sheet of sides 25 cm and 20 cm a circular sheet as large as possible is cut off What is the area of the remaining metal sheet?

• A. $186c{m}^2$
• B. $144c{m}^2$
• C. $185c{m}^2$
• D. $72c{m}^2$

Answer 1

The correct option is A $186c{m}^2$

Remaining area sheet = area of rectangle - area of circle==

+$25\times 20-3.14(10{)}^2=500-314=186c{m}^2$