The breadth of a rectangular garden is 2/3 of its length. If its perimeter is 40 m, find its dimensions.
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Answer:
Let length be 'a' cm
Breadth = (2/3)*a
Perimeter of a rectangle = 2( length + breadth)
2(a+ 2a/3) = 40
2[(3a+2a)÷3]= 40
2(5a/3) = 40
2*5a = 40*3
10a = 40*3
a = 12
Length = 12cm
Breadth = (2/3)*12 = 8cm
Verification
Perimeter = 2(12+8) = 40
Step-by-step explanation:
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