A took 15 sec to cross a rectangular field diagonally walking at a rate 52 per minute and the B took the same time to cross the same field along with side walking at 68 m/min the area of field is?
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Answer:
29.6250 meter square
Step-by-step explanation:
diagonal (l^2 + b^2) = 15* 52/60 = 13m
2(l+b) = 15*68/60 =17 m
(l+b)^2 = l^2 + b^2 + 2 l*b
(17/2)^2 =13 + 2 l*b
l*b = 29.6250 meter square
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