WAEC - Mathematics (1992 - No. 36)
Points X and Y are respectively 12m North and 5m east of point Z. Calculate XY
7m
12m
13m
17m
18m
Explanation
Using pythagora's theorem:
hyp\(^2\) = opp\(^2\) + adj\(^2\)
hyp\(^2\) = 12\(^2\) + 5\(^2\) → 144 + 25
hyp\(^2\) = 169
hyp = √169
hyp = 13
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