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Byju's Answer
Standard XII
Mathematics
Circular Measurement of Angle
If two tangen...
Question
If two tangents inclined at an angle 60° are drawn to a circle of radius 3 cm, then the length of each tangent is equal to?
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Solution
Radius
=
3
(given)
We know
A
B
=
B
C
(tangent draw from a external point to a circle are equal)
O
B
=
3
O
C
=
3
Δ
A
B
O
is a right angled triangle
∠
B
=
90
0
∠
C
=
90
0
tan
30
0
=
O
B
A
B
=
3
A
D
A
D
=
3
tan
30
0
=
3
1
√
3
=
3
√
3
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