# A rectangular pieceof papee ofdimensions 20 cm × 14 cm is rolled along the breadth to form a cylinder . find the radius of the base of cylinder si formed

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by ro6ohgau5rhk

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by ro6ohgau5rhk

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Take my 'n' as pie. circumfrence=2nr

2nr=20

r=20×7/2×22

r=35/11_answer

2nr=20

r=20×7/2×22

r=35/11_answer

Circumference of the cylinder formed = 14cm

Circumference = 2πr

A/Q 2πr = 14 cm

14 cm = 2×22/7×r

14 cm = 44/7 × r

r = 14 × 7/44

= 2.22 cm

P.S: I have attached the diagrams