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15. Areas Related to Circles
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Q7 of 68 Page 16

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?.


Given,


Length of field = 40m


Breadth of field = 36m


Length of rope (radius) =14m


So,


Area horse can graze =


Area horse can graze = = 154 m2


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8

A sheet of paper is in the form of a rectangle ABCD in which AB=40cm and AD=28cm. A semi-circular portion with BC as diameter is cut off. Find the area of the remaining paper.

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Questions · 68
15. Areas Related to Circles
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