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15. Areas Related to Circles
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Q9 of 68 Page 16

The circumference of two circles are in the ratio 2:3. Find the ratio of their areas.


Ratio of circumferences of two circles with radius r1 and r2 respectively




Ratio of area = = 4:9


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7

A horse is placed for grazing inside a rectangular field 40m by 36m and is tethered to one corner by a rope 14m long. Over how much area can it graze?.

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11

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Questions · 68
15. Areas Related to Circles
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