Question

Plz help me solving this ..... It's urgent

Answer 1

Answer:

h=30m

Step-by-step explanation:

surface area of cylinder =2 pi r (h+r)

perimeter of base =2 pi r

66=2×22/7×r

r=66×7/22×1/2=10.5

r=10.5

hence,1980=2×22/7×10.5×h

h=1980×7/22×1/10.5×1/2

h=30m

Answer 2

Answer:

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Step-by-step explanation:

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