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In the diagram, find PQ if the area of triangle PQR is 35cm(^2)

In the diagram, find PQ if the area of triangle PQR is 35cm(^2)

  • A.
    7cm
  • B.
    10cm
  • C.
    14cm
  • D.
    17cm
Correct Answer: Option A
Explanation

PQ x 10 sin 30 = 35
PQ = (frac{35}{10 sin 30})
= 7cm