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Byju's Answer
Standard X
Mathematics
Construction of Tangent from a Point Outside Circle
Draw a circle...
Question
Draw a circle of radius
6
c
m
.
Draw a tangent to this circle making an angle of
30
o
with a line passing through the centre.
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Solution
Steps of construction
S
T
E
P
I
Draw a circle with centre
O
and radius
3
c
m
.
S
T
E
P
I
I
Draw a radius
O
A
of this circle and produce it to
B
.
S
T
E
P
I
I
I
Construct an angle
∠
A
O
P
equal to the complement of
30
o
i.e. equal to
60
o
.
S
T
E
P
I
V
Draw perpendicular to
O
P
at
P
which intersects
O
A
produced at
Q
Clearly,
P
Q
is the desired tangent such that
∠
O
Q
P
=
30
o
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