$$\frac{1}{3}\pi r^2h$$

$$\pi rl$$

$$\pi rl\ +\ \pi r^2$$

none of these

$$\frac{1}{3}\left(area\ of\ base\ \times\ height\right)$$

$$\left[\frac{1}{2}\times Perimeter\ of\ base\ \times\ Slant\ height\right]$$  

$$\frac{4}{3}\pi r^3$$

None of these

$$\frac{2}{3}\pi r^3$$

$$4\pi r^2$$

$$\frac{1}{3}\pi r^2h$$

$$\frac{4}{3}\pi r^3$$

$$2\pi r$$

$$\pi r^2$$

$$\pi r$$

$a^2sq.units$

$\frac{1}{2}\left(diagonal\right)^2sq.units$

$a\ units$

none

2l+b

l+2b

2(l+b)

l+b

$\frac{1}{2}_{ }d_1d2$

$\frac{1}{4}d_1d_2$

$d_{1_{ }}d_2$

$\left|d_1d_2\right|$

$\sqrt{l^2+b}$

$\sqrt{l^2+b^2}$

$\sqrt{l+b^2}$

$\sqrt{l+b}$