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Standard VII
Mathematics
Question
Find the area of an equilateral triangle of side
20
m
.
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Solution
Verified by Toppr
Side
=
20
m
Area of triangle
=
√
3
4
(
s
i
d
e
)
2
=
√
3
4
×
20
×
20
=
100
√
3
m
2
.
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[
Hint: Area of an equilateral triangle =
(
√
3
)
4
(
s
i
d
e
)
2
]
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