Question

Q: find the curved surface area of the cylinder whose circumference of the base is 22cm and height is 3m: which one of the following option is correct
i) \: 44 cm {}^{2}i)44cm
2

ii) \: 66cm {}^{2}ii)66cm
2

iii) \: 77cm {}^{2}iii)77cm
2

iv) \: 22cm {}^{2}iv)22cm
2

Q: what will be the diameter of a sphere whose surface area is 55.44m^2?
i) \: 4.6mi)4.6m
ii)4.2mii)4.2m
iii)3.4miii)3.4m
iv)2.4miv)2.4m

answer with full step by step explanation.!

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Answer 1

Answer:

i) .66m²

ii) 4.2 m

Step-by-step explanation:

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