3. The perimeter of a rectangle is 60 feet and its area is 150 feet 2. Find the Breadth B and the height H of the rectangle
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Answer:
2 (l+b) = 60f ------------------ 1
l *b = 150f -------------------- 2
from 1
l = 60 - b /2 ---------------------3
1 in 2
60-b/2 +b = 150
60-b + 2b /2 = 150
60 + b = 150
b = 150 - 60
b = 90
from 3
l = 60-90/2
l = -30/2
l = -15
since length cant be negative
l = 15 feet
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