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.

3\) Total surface area of the salt shaker = surface area of cylinder + surface area of hemisphere. Surface area of cylinder (note only one circular end) = \(\pi r^2 + 2\pi rh = \pi \times 1.5^2 ...