Find the total surface area of solid cylinder having diameter 84cm and height 7cm.
Answers
Answered by
1
Answer:
12930.7954 cm2
Step-by-step explanation:
A=2πrh + 2(πr^2)
Answered by
1
Radius = Diameter÷2
Radius = 42cm...
Height=7cm.....
TSA of solid cylinder = 2 pie ×r×h + pie × R^2 + pie×R^2
taking common........
2 × pie × r (h+r)
2×22/7×42(42+7)
2×22×6(49)
44×6×49
12936 cm^2
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