A cow is tied to a peg at vertex of an equilateral triangular grass field of side 30 m by means of a 10 m long rope. Find the area of the part of the field in which the cow can graze. *
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Step-by-step explanation:
Area
=
2
[
120
360
×
π
(
5
a
2
)
2
+
60
360
×
π
(
3
a
2
)
2
+
60
360
×
π
(
a
2
)
2
]
Area=2[120360×π(5a2)2+60360×π(3a2)2+60360×π(a2)2]
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