A rectangular sheet of acrylic is 34 cm by 24 cm. From it, 64 circular buttons, each ofdiameter 3.5 cm, have been cut out. Find the area of the remaining sheet.

A rectangular acrylic sheet is 24 cm by 20 cm. From it, 49 circular buttons, each of diameter 3.5 cm have been cut out. Find the area of the remaining sheet.

A rectangular acrylic sheet is 36 cm by 25 cm .From it, 56 circular buttons,each of diameter 3.5 cm have been cut out.Find the area of the remaining sheet.

From a rectangular cardboard sheet 145 cm long and 32 cm broad ,42 circular plates each of diameter 8 cm have been cut out . Find the area of the remaining portion of the sheet.

From a rectangular sheet of paper ABCD with AB=40CM and AD=28cm, a semi circular portion with BC as diameter is cut off. Find the area of the remaining paper. (U s epi=(22)/7)

From a rectangular sheet of paper ABCD with AB=40CM and AD=28cm, a semi circular portion with BC as diameter is cut off. Find the area of the remaining paper. (U s epi=(22)/7)

From a rectangular sheet of paper ABCD with AB=40CM and AD=28cm, a semi circular portion with BC as diameter is cut off. Find the area of the remaining paper. (Use pi=(22)/7)

From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet. (Takepi = 3.14)

From a rectangular sheet of paper ABCD with AB=40CM and AD=28cm, a semi circular portion with BC as diameter is cut off.Find the area of the remaining paper.(U se pi=(22)/(7))

From a circular sheet of radius 4cm, a circle of radius 3cm is removed. Find the area of the remaining sheet. (Take pi=3.14 )