Mark (✓) against the correct answer:


Mark (✓) against the correct answer:

The circumference of the circular base of a cylinder is 44 cm and its height is 15 cm. The volume of the cylinder is

(a) 1155 cm3

(b) 2310 cm3

(c) 770 cm3

(d) 1540 cm3


(b) $2310 \mathrm{~cm}^{3}$

Height $=15 \mathrm{~cm}$

Circumference $=2 \pi \mathrm{r}=44 \mathrm{~cm}$

$\therefore r=\frac{44 \times 7}{2 \times 22}=7 \mathrm{~cm}$

$\therefore$ Volume $=\pi r^{2} \mathrm{~h}=\frac{22}{7} \times 7 \times 7 \times 15=2310 \mathrm{~cm}^{3}$

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