The total surface area of a solid hemisphere is 1848cm2, Find its radius.
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Answer:
The diameter of the given hemisphere is 28 cm.
Step-by-step explanation:
Total surface area of solid hemisphere = 1848 cm²
We know that T.S.A. of hemisphere = 3πr²
Substitute the values and you get
1848 = 3 x 22/7 x r²
r² = 1848 x 7 / 3 x 22
r² = 28 x 7
r² = 196
Therefore r = 14 cm
Diameter = 2 x r
= 2 x 14
= 28 cm
Therefore the diameter of the given hemisphere is 28 cm.
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67 is the radius of the hemisphere
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