Question

MATHS WORK SHEET
ANSWER THE FOLLOWING:
3) A rectangular sheet of metal foil is 88 cm. long and 20 cm. wide. A cylinder is made out of it, by
rolling the foil along width. Find the volume of the cylinder.
​

Answer 1

Answer:

8800πcm^2 or

(8800)(3.14)cm^2

276.32m^2

Step-by-step explanation:

volume of cylinder is given by πr^2h

and according to question the rectangular sheet was folded along width . hence it will become a cylinder having radius 10 cm and height of 88cm

then by putting the value of 'r' and 'h' you will get the answer .

i.e 8800πcm^2

Answer 2

Answer:

h=20cm

2πr=88cm

2× 22/ 7×r=88cm⇒r=14cm

URl=πr2h=22/  7 ×14×14×20

=22×2×280

=22×560

=12320cm3

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