Area and Perimeter Practice Test 4

Question : 38 of 40

Marks: +1, -0

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

Solution:

Here, l – b = 23 cm and also 2(l + b) = 206
∴ l + b = 103 cm
Since, l =

1/2

(103 + 23) = 63 cm, b =

1/2

(103 - 23) = 40 cm
Hence, area = 63 × 40 = 2520

cm^2

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