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In the diagram find PQ if the area of triangle ... - JAMB Mathematics 1995 Question

In the diagram, find PQ if the area of triangle PQr is 35cm2
A
7cm
B
10cm
C
14cm
D
17cm
correct option: a
PQ x 10 sin 30 = 35

PQ = \(\frac{35}{10 \sin 30}\)

= 7cm
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