The solid in the diagram is made up of a right
prism with square base, and a right pyramid on
top of the prism. The length of the prism is 12
cm, the side of the base is 6 cm and the height
of the pyramid is 8 cm.
12.1 Calculate the slant height of the triangular face of the pyramid. (3)
12.2 Calculate the area of one of the triangular faces. (3)
12.3 Calculate the total surface area of the solid.
TSA = area of slanted faces + area of right prism (5)
[11]
TOTAL: 150