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Byju's Answer
Standard X
Mathematics
AAA Similarity
In a equilate...
Question
In a equilateral
△
A
B
C
,
A
D
⊥
B
C
, prove that
A
D
2
=
3
B
D
2
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Solution
In Equlateral
Δ
A
B
C
A
D
=
√
3
2
a
B
D
=
a
2
A
D
2
=
3
a
2
4
3
(
a
2
)
2
=
3
B
D
2
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