3. The total surface area of a hemisphere is 4158 cm2, find its diameter.
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Answered by
0
Answer:
the diameter of hemisphere is 42 cm
Step-by-step explanation:
Answered by
2
Answer:
4158 = 3×22 a^2/7
a^2 = 4158×7/66
a^2 = 63×7
a^2 = 9×7×7
a^2 = 3×7
a = 21
Radius =21
diameter = 21×2
=42 cm
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