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प्रश्न
The difference between the circumference and radius of a circle is 37cm. Using `pi = 22/7` , find the circumference of the circle.
उत्तर
Let the radius of the circle be r and circumference C.
Now,
C- r = 37
⇒ 2πr - r = 37
`⇒ "r" = (2xx22/7-1) = 37 `
`=> r = (37xx7)/37 = 7 "cm"`
Now, C = 2πr `=2xx22/7xx7=44 "cm"`
Hence, the circumference of the circle is 44 cm.
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