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- A wire in the form of a circle of radius 3.
Question 1:
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle? A. 60 cm^2
B. 30 cm^2
Feedback The circumference of the circle is equal to the permeter of the rectangle
Let l = 6x and b = 5x 2(6x + 5x) = 2 * 22/7 * 3.5
x = 1
Therefore l = 6 cm and b = 5 cm Area of the rectangle = 6 * 5 = 30 cm2
Let l = 6x and b = 5x 2(6x + 5x) = 2 * 22/7 * 3.5
x = 1
Therefore l = 6 cm and b = 5 cm Area of the rectangle = 6 * 5 = 30 cm2
C. 40 cm^2
D. 15 cm^2
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