Mensuration Practice Test 4

Question : 28 of 40

Marks: +1, -0

The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:

Solution:

Length of the rectangle = x m.
Breadth of the rectangle = x + 23 m.
Perimeter = 2 (x + x + 23) = 206
4x + 46 = 206
x =

{160}/4

Length = 40 m
Breadth = 40 + 23 = 63 m.
Area = l × b
= 40 × 63
= 2,520

m^2

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