Area and perimeter of a rectangular field are 2000 sq.m and 180 m respectively. Find it’s length and width
Answers
Answered by
14
Answer:50, 40
Step-by-step explanation:
area l*b = 2000,
perimeter 2(l+b) = 180
l+b = 90 (equation 1)
(l+b)^2 - (l-b)^2 = 4*l*b
by putting the values
8100 - (l-b)^2 = 8000
(l-b)^2 = 100
l-b = 10 (equation 2)
on solving equation 1 and 2
l=50
b=40
Answered by
0
Answer:
l=50 ,b=40
Step-by-step explanation:
area l*b = 2000,
perimeter 2(l+b) = 180
l+b = 90 (equation 1)
(l+b)^2 - (l-b)^2 = 4*l*b
by putting the values
8100 - (l-b)^2 = 8000
(l-b)^2 = 100
l-b = 10 (equation 2)
on solving equation 1 and 2
l=50
b=40
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