The length of a rectangular field is twice its breadth. If the perimeter of the field be 56 cm. find the dimensions and Area of the rectangle.
Answers
Answered by
1
Answer:
l = 18.66 cm , b = 9.33 cm
Area = 174.22 cm^2
Step-by-step explanation:
Let, breadth = x
So, length = 2x
From the question :-
P = 2 (l+b)
=>56 = 2(2x+x)
=>56/2 = 3x
=> 28 = 3x
=>x = 28/3
= 9.33
So, b = 28/ 3 = 9.33 cm
l = 2x = 2×28/3=56/3 = 18.66 cm
Hence, Area = lb
= 56/3 × 28/3
= 1568/9 = 174.22 cm^2
Answered by
1
Answer:
Let, breadth = x
So, length = 2x
From the question :-
P = 2 (l+b)
=>56 = 2(2x+x)
=>56/2 = 3x
=> 28 = 3x
=>x = 28/3
= 9.33
So, b = 28/ 3 = 9.33 cm
l = 2x = 2×28/3=56/3 = 18.66 cm
Hence, Area = lb
= 56/3 × 28/3
= 1568/9 = 174.22 cm^2
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