hemisphere is having diameter 7cm calculate curved surface area
Answers
Answered by
5
Answer:
Radius of hemisphere = diameter/2
= 7/2 cm
Volume of hemisphere = 2/3 π r
= 2/3 * 22/7 * 7/2
= 22/3
= 7.33 cm³
Now,
Curved surface area = 2 π r²
= 2 * 22/7 * (7/2)²
= 2 * 22/7 * 49/4
= 77 cm²
Total surface area = 3 π r²
= 3 * 22/7 * (7/2)²
= 3 * 22/7 * 49/4
= 115.5 cm²
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Step-by-step explanation:
Answered by
0
Answer; 49/2 or 24.5cm2
Step-by-step explanation:
curved surface area=2pie r^2
(pie=22/7)
radius=diameter/2
r=7/2
2 *7/2 *7/2
=49/2cm2
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