Question

From a rectangular metal sheet of sides 30cm and 40cm a circular sheet as big as possible is cut off find the area of the remaining sheet.

Answer 1

given
rectangular sheet length=40cm
base =30cm
area of rectangular sheet=l×b
=40×30
=1200cm sq.
area of biggest circle=1/2×d
=1/2×1200
=600sq.cm
remqining sheet=area of rectangular sheet -area of biggest circle
=1200-600
=600sq.cm



hope it helps......