2007
Mathematics
67ca00ce0c643c71d77dee1f
The volume of a hemispherical bowl is 718(2/3) . Find its radius .
A.
4.0 cm
B.
5.6 cm
C.
7.0 cm
D.
3.8 cm
Correct Answer: 7.0 cm
Explanation
Volume of bow 2/3 πr2 718 2/3=2/3 πr2 2156/3=2/3×22/7×r3 ∴ r3=(2156×3×7)/(3×2×22) r3=343 r=∛343. r=7.0cm
Volume of bow 2/3 πr2 718 2/3=2/3 πr2 2156/3=2/3×22/7×r3 ∴ r3=(2156×3×7)/(3×2×22) r3=343 r=∛343. r=7.0cmTHIS WEEK's
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