If total surface area of a solid hemisphere is
462 cm'2?
I find its diameter
Answers
Answered by
2
Answer:
Correct option is
B
718.67
Total surface area of the hemisphere =462cm
2
Total surface area of the hemisphere =2πr
2
⇒462=3πr
2
⇒r=7 cm
Volume of hemisphere =
3
2
πr
3
V=
3
2
×
7
22
×7
3
V=718.67cm
3
Answered by
2
Answer:
Total surface area of hemisphere = 462 cm^2
Total surface area of hemisphere = 3πr^2
=> 462=3πr^2
=> 7 cm
so, 7*7= 14
diameter=14
Step-by-step explanation:
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