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Length and breadth of a rectangle are in the ratio 3:4 while the perimeter of it is 56 cm.What is the area of the rectangle ?
  • a)
    192 sq.cm
  • b)
    144 sq.cm
  • c)
    196 sq.cm
  • d)
    158 sq.cm
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Length and breadth of a rectangle are in the ratio 3:4 while the perim...
The length and breadth are in the ratio 3:4
Let them be 3x and 4x respectively.
Perimeter = 56
So, 2(7x) = 56
So, x = 4
Area = 3x * 4x = 3*4*4*4 = 192 sq cms
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Length and breadth of a rectangle are in the ratio 3:4 while the perimeter of it is 56 cm.What is the area of the rectangle ?a)192 sq.cmb)144 sq.cmc)196 sq.cmd)158 sq.cmCorrect answer is option 'A'. Can you explain this answer?
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