find the height of a cylinder whose is 7cm and the total surface area is 440square cm
Answers
Answered by
1
Step-by-step explanation:
total surface area;2πrh(r+h)
2×22/7×3.5×h(3.5+h)
770cm=440
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Answered by
13
Answer:
Height =10 cm
Step-by-step explanation:
Tsa Of Cylinder = 2πrh
2X22/7x7Xh=440
=44xh=440
=H=440/44
=h=10-Ans.
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