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1.7 Trigonometry

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Question 59

In triangle PQRPQRPQR, side PQ PQ\,PQ has length 9cm and side PR PR\,PR has length 10cm. Given the area of PQR PQR\,PQR is 30cm2

a.

Find the length of side QRQRQR.

[5]
b.

Find ∠PQR\angle PQR∠PQR

[3]

1.7 Trigonometry Questions

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