Question

A rectangular sheet of plastic is 40 cm by 25 cm. From it 50 circular badges, each of diameter 4.2 cm, have been cut out. Find the area of the remaining sheet. (Please answer fast)(Steps to be shown) (Fast answering will be marked as brainliest)

Answer 1

Area of Rectangular sheet, A = L * B

A = 40 * 25 = 1000 cm²

area of 50 badges , A' = 50 * π r²

A' = 50 * (22/7) * 2.1 * 2.1
A' = 50 * 22 * 21 * 21 / 7 * 100
A' = 1 1 * 3 * 2 1 = 693 cm ²


Remaining Area = 1000 - 693 = 307 cm²

Answer 2

ANSWER:-

REMAINING AREA = 307 CM²