the diameter of a garden roller is 1.4 m and it is 4 m long . how much area will it cover in 5 revolutions ? ( use ï € = 22 â  „ 7 )
"required area covered in 5 revolutions = 5 ã — 2 ï € rh = 5 ã — 2 ã — 22 â  „ 7 ã — 0.7 ã — 4 = 88 m 2 answer c"
multiply(5, multiply(multiply(multiply(4, divide(22, 7)), divide(1.4, 4)), 4))