a square of side 8 cm and a rectangle of breadth 5 cm have the same perimeter find the area of a rectangle
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Step-by-step explanation:
perimeter of square = perimeter of rectangle
peeimeter of square = 8×4 =32
perimeter of rectangle = 2(l+b)
as perimeter are equal
32 = 2(l+b)
32 = 2(l+5)
32÷2 = l+5
16 = l+5
16-5 = l
11cm = lenght
area of rectangle = l×b
= 11 × 5 = 55cm^2
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