Question

He go huh fr do huh h huh fhh h fhh h k go o nd c

Answer 1

Solution

The slant height l = 10 cm

Using Pythagoras theorem

The height of the cone is

$\begin{gathered} h=\sqrt{l^2-h^2} \\ \\ \Rightarrow\sqrt{10^2-6^2}=\sqrt{100-36}=\sqrt{64}=8 \end{gathered}$

Hence, the height is 8 cm

The formula for the Lateral surface area is given as;

$\begin{gathered} A_L=\pi rl \\ \\ A_L=\pi\times6\times10=60\pi\text{ cm}^2 \end{gathered}$