The diagram is a right pyramid with a triangular base PQR and height |SN|. If |PQ|=6cm, |PR|=|RQ|=5cm, |PN|=3.3cm and angle SPN=52°, calculate to two significant figures, the
1)vertical height |SN|
2)area of the base PRQ
3) volume?
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Asked by Annie on 27th May, 2022
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