A man went across a square lot diagonally. What was the approximate percentage saved by not walking along the edges?
A. 20
B. 24
C. 30
D. 33
Answer:C
A man went across a square lot diagonally. What was the approximate percentage saved by not walking along the edges?
A. 20 B. 24 C. 30 D. 33
Explanation: Let the square's side(ABCD) be x metres.After that, AB + BC = 2x metres.(1.41x) m = AC = 2x.2x metres = (0.59x) m .Savings percentage = 0.59x/2x x 100 percent = 30% (approx.)