In the diagram, find PQ if the area of triangle PQR is 35cm\(^2\)
Attached Figure / Diagram
A
7cm
B
10cm
C
14cm
D
17cm
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
\(\frac{1}{2}\)(PQ x 10 sin 30) = 35
PQ = \(\frac{35 \times 2}{10 \sin 30}\)
= 14cm
Source: Myschool Past Questions Archive (Record #33067)