The volume of a hemispherical bowl is 71823 718 2 3 . Find its radius .

Question 1 Report

The volume of a hemispherical bowl is $718 \frac{2}{3}$ . Find its radius .

4.0 cm

5.6 cm

7.0 cm

3.8 cm

Answer Details

Volume of bowl

\frac{2}{3} π r^{2} 718 \frac{2}{3} = \frac{2}{3} π r^{2} \frac{2156}{3} = \frac{2}{3} \times \frac{22}{7} \times r^{3} ∴ r^{3} = \frac{2156 \times 3 \times 7}{3 \times 2 \times 22} r^{3} = 343 r = \sqrt[3]{343} r = 7.0 c m

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