In the diagram, PQRS is a trapezium with PQ||SR. STR is a straight line, PSHQT, PTHQR. If |PQ| = 12cm and the height of the trapezium is 9cm, find its area.
Attached Figure / Diagram
A
96cm2
B
108cm2
C
135cm2
D
162cm2
E
216cm2
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
A = 1/2(A + B)h = 1/2(24 + 12) x 9 = 162
Source: Myschool Past Questions Archive (Record #23515)