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Question
Find the side of a square whose area is equal to the area of a rectangle with sides 6.4 m and 2.5 m.
Solution
Given: Length of rectangle (l) = 6.4 m
Breadth of rectangle (b) = 2.5 m
Area of rectangle = l × b
= 6.4 × 2.5
= 16 m2
Then area of square = 16 m2 ...(Equal to rectangle)
As we know,
Area of square = Side × Side
16 = (Side)2
42 = (Side)2
⇒ Side = 4 m
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