Points X and Y are respectively 12m North and 5m east of point Z. Calculate XY
A
7m
B
12m
C
13m
D
17m
E
18m
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Using pythagora's theorem:
hyp\(^2\) = opp\(^2\) + adj\(^2\)
hyp\(^2\) = 12\(^2\) + 5\(^2\) → 144 + 25
hyp\(^2\) = 169
hyp = \sqrt169
hyp = 13
Source: WAEC / JAMB / NECO Classroom Archive (Record #23174)