Question

a rectangular sheet of aluminium foil is 44 cm long and 22 cm wide a cylinder is made out by the Rolling the foil along its length find the total surface area of the cylinder








ANSWER IS GIVEN IN BOOK IS 5104 cm^2​

Answer 1

T. SA =

$2\pi \: r (r + h)$

applying the formula we get,

Now circumference of the circle 2*22/7*r=44

44/7*r=44

r=44*7/44

r=7cm

height =22cm

Now applying the formula

2*22/7*7(7+22)

44*29=1276

${cm}^{2}$

Answer 2

Answer:

answer is 3080 cm cube....