Question
Point K is 10m to the west of point N. P is 5m to the
east of O. Q is 6m south of O. R is 8m to the east of Q. Q is the midpoint of N and O. Find the shortest distance between R and N.Solution
Shortest distance between R and N = RN² = NQ² + QR²        RN² = 6² + 8²        RN = 10m
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