The length of a rectangle is twice its breadth
Asked by admin @ in Math viewed by 290 People
The length of a rectangle is twice its breadth. The perimeter of the rectangle is 120 cm. Find the length and breadth of this rectangle. Also find its area.
Answered by admin @
Length=2x
Breadth=X
Perimeter=120
Perimeter=2(l+b)
120=2(2x+X)
120=2(3x)
120=6x
X=120/6
X=20
Length=2x=2×20=40
Breadth=X=20
Area = l×b
Area = 40 × 20
Area = 800
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