Question

3. The ratio of the radii of two circles is 4: 5. Find the ratio of their area. 4. The circumference of a circle is 88 cm. Find its area. 5. Find the area of the circle whose circumference is 264 mm. 6. The area of a circle is 3850 cm?. Find the circumference of it and also find the cost of wire at * 2.40 per m to fence it. 7. A circular path whose circumference is 616 m, has path inside the park whose width is 14 m all around the park. Find the area of park excluding the path and also find the cost of grassing on it at the rate of 1.40 per m. correct answer should be marked as brainliest​

Answer 1

Answer:

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