A rectangular sheet is folded with respect to its length to form a cylinder whose CSA is 154 cm^2. If the breadth of the rectangular sheet is 14 cm, find the diameter of the cylinder and the TSA. Cuteshine ask more questions I want to answer you!
rectangular sheet is folded with respect to its length to form a cylinder whose CSA is 154 cm^2. If the breadth of the rectangular sheet is 14 cm, find the diameter of the cylinder and the TSA.
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Answer:
given, 1) csa=154cm², 2) circumference=14 cm
2πrh=154-(1)
2πr=14
πr=7
2πrh=154
πrh=77
7×h=77
h=11
length= 11cm
taking π=22/7
(22/7)×r=7
22r/7=7
r=49/22
diameter= (49/22)×2
=49/11
tsa=2πr(h+r)
2×(22/7)×49/22(11+49/22)
2×7(11+49/22)
14×11+(49/22)14
154+(49/11)×7
154+343/11
(1694+343)/11
2037/11
185.18 cm²
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Answer:
rectangular sheet is folded with respect to its length to form a cylinder whose CSA is 154 cm^2. If the breadth of the rectangular sheet is 14 cm, find the diameter of the cylinder and the TSA.
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