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Question
A wire in the shape of a rectangle of length 25 cm and breadth 17 cm is re-bent to form a square. What will be the measure of each side?
A wire in the shape of a rectangle of length 25 cm and breadth 17 cm is re-bent to form a square. What will be the measure of each side?
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Solution
The correct option is B 21 cm
Perimeter of rectangle = 2 (25 + 17) cm
= 2 × 42
= 84 cm
Perimeter of square of side x cm = 4x
Therefore, perimeter of rectangle = Perimeter of square
84 cm = 4x
⇒ x = 21 cm
Therefore, each side of square = 21 cm
21 cm
Perimeter of rectangle = 2 (25 + 17) cm
= 2 × 42
= 84 cm
Perimeter of square of side x cm = 4x
Therefore, perimeter of rectangle = Perimeter of square
84 cm = 4x
⇒ x = 21 cm
Therefore, each side of square = 21 cm
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