The total surface area of an object is the area of its base and the curved surface as well. Therefore, TSA = Area of base + Area of the curved surface The amount of space covered by an object is ...

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 ...