Math, asked by ekansh1111, 1 year ago

a rectangular piece of paper of width 30cm and length 77cm is rolled along its width to forl a cylinder . find the volume and the total surface area of the cylinder so formed?

Answers

Answered by Ťářúń
0
given

length = 77cm
width = 30cm

to find,
volume = ( formula =

2\pi \: r {}^{2} h
2 × 22/7 × 15 ×15× 77
44×2475
108900 cm 3

TSA
2×22/7×15 (15+77)
8,674.28 cm2

ekansh1111: its wrong
Answered by abdurrubansari
1

Answer: 14148.75cm^3


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