text{surface area of hemisphere}\) Surface area of cylinder (note only one circular end) = \(\pi r^2 + 2\pi rh = \pi \times 1.5^2 + 2 \times \pi \times 1.5 \times 5\). A hemisphere is half a sphere.

2 \end{array}\) In the exam \(\text{Surface area} = 4 \pi r^2\) is given on the formula sheet A hemisphere is half of a sphere. The volume can be found by calculating the volume of the whole ...