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
waec 1992mathematics

The correct answer is C. 13m

Using pythagora's theorem:

hyp\(^2\) = opp\(^2\) + adj\(^2\)

hyp\(^2\) = 12\(^2\) + 5\(^2\) â†’ 144 + 25

hyp\(^2\) = 169

hyp = âˆš169

hyp = 13

Previous question Next question