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- A rectangle whose sides are in the ratio 6 : 5 is formed by bending a circular wire of radius 42 cm.
Question 1:
A rectangle whose sides are in the ratio 6 : 5 is formed by bending a circular wire of radius 42 cm.Find the largest side of the rectangle.
A. 60 cm
B. 72 cm
Feedback Length of wire = 2ᴨr = 264 which should be equal to the perimeter of rectangle in which it is bent.
So 2(6x + 5x) = 264
Solve, x= 12
Largest side = 6x = 6*12 = 72
So 2(6x + 5x) = 264
Solve, x= 12
Largest side = 6x = 6*12 = 72
C. 78 cm
D. 84 cm
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