NUSH Y1 Problems

Year 1 Chapter 13 Example 15

VPQRS is a right rectangular pyramid with VN = 12 cm, PQ = 10 cm and QR = 8 cm. Find

(a) the volume of the pyramid,

(b) the total surface area of the pyramid.

Year 1 Chapter 13 Example 16

VABC is a triangular pyramid (See Diagram below). The base ABC is right-angled at C such that AC = BC = 3 cm. VC is perpendicular to the base and VC = 4 cm. Find

(a) the sides of ABC,

(b) the total surface area of the pyramid.