A square plot has corners (0, 0), (20, 0), (20, 20), (0, 20) m. A sprinkler at the centre must reach the corners. Its range must be at least:

  1. 20 2 m
  2. 20 m
  3. 10 m
  4. 10 2 m (about 14.1 m)
Answer

D) 10 2 m (about 14.1 m)

Centre (10, 10) to a corner: 10^2 + 10^2 = 10 2 approx 14.1 m. SLO M-09-B-06 · Application

Mathematics MCQ · More Coordinate Geometry MCQs · Practise