Question

Calculate the total surface area of this hemisphere.

Give your answer to 1 decimal place (has a radius of 4cm)

Answer 1

150.9 cm^2

Explanation:

Here. we want to calculate the surface area value of a hemisphere with a radius of 4 cm

To calculate this, we use the equation for the area

This is;

3 * pi * r^2

= 3 * 22/7 * 4^2 = 150.9 cm^2