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Standard X
Mathematics
Question
AB is 17.32 cm
If true then enter
1
and if false then enter
0
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Solution
Verified by Toppr
In
△
A
B
C
tan
60
=
A
B
B
C
A
B
=
√
3
B
C
Let
B
C
=
x
,
A
B
=
√
3
x
In
△
A
B
D
,
tan
30
=
A
B
B
D
B
D
=
A
B
√
3
B
C
+
C
D
=
A
B
√
3
x
+
20
=
x
√
3
(
√
3
)
x
+
20
=
3
x
x
=
10
Thus, BC = 10, AB = 17.32 cm
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