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1 Unit 1: Pure Mathematics A

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Question 381

In triangle PQRPQRPQR, PQ=6PQ = 6PQ=6 cm, PR=43PR = 4\sqrt3PR=43​ cm and angle QPR=30°QPR = 30°QPR=30°.

a.

Find the exact length of QRQRQR.

[3]
b.

Show that angle PQR=90°PQR = 90°PQR=90°.

[2]
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1 Unit 1: Pure Mathematics A Questions

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