Question

plzz ans. this ques.i need the solution now plzz it's urgent

Answer 1

Step-by-step explanation:

CSA = 1/3TSA

= 1/3*462

= 154 cm²

2πrh = 154

rh = 154*7/2*22

rh = 49/2 m²

TSA = 462 m²

2πr(h+r) = 462

rh+r² = 462*7/2*22

r² = 147/2-49/2

r² = 49

r = √49 = 7 m

rh = 49/2

h = 49/2/7

h = 7/2 m

Vol. = πr²h

= 22/7*7*7*7/2

= 539 m³

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