Mathematics > 2001 > 28
WASSCE
Three observation post P,Q asnd R are such that Q is due east of p and R is due north of Q. if |PQ| = 5km and |PR| = 10km, find |QR|
A.
5.0km
B.
7.5km
C.
7.6km
D.
8.7km
Answer: D
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