A rectangular sheet of paper 40 cm x 22 cm is rolled to form a hollow cylinder of height 40 cm. The radius of the cylinder is
(a) 3.5
(b) 7
(c) 80/7
(d) 5

Question

A rectangular sheet of paper 40 cm x 22 cm is rolled to form a
hollow cylinder of height 40 cm The radius of the cylinder is
(a) 3 5
(b) 7
(c) 80/7
(d) 5

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A rectangular sheet of paper 40 cm x 22 cm is rolled to form a hollow cylinder of height 40 cm. The radius of the cylinder is(a) 3.5(b) 7(c) 80/7(d) 5

A rectangular sheet of paper 40 cm x 22 cm is rolled to form a hollow cylinder of height 40 cm. The radius of the cylinder is
(a) 3.5
(b) 7
(c) 80/7
(d) 5