The perimeter of a rectangular garden is 420 m and its length is 120 m. What is the breath?
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The breadth of the rectangle is 90m
Explanation:
Given:
1. The perimeter of a rectangular garden is 420m
2. The length is 120m
To find:
What is the breath?
Formula:
The perimeter of the rectangle = 2(l+b)
==> P = 420m
==> L = 120 m
==> Apply the values in the given formula
==> P=2(l+b)
==> 420 = 2(120+b)
==> 420 = 2(120)+2b
==> 420 = 240 +2b
==> 420-240 =2b
==> 2b = 180
==> b = 180/2
==> b = 90m
The breadth of the rectangle is 90m
Answered by
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Answer:
the parameter formula is P=2(l+b)
b=p/2-l
b=420/2 - 120
b=210 -120
b=90
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