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Constructing the Tangent to a Circle
Constructing the Tangent to a Circle
Rule
Constructing
a
Tangent
to
a
Circle
1.
Choose a point
S
. Using your protractor, draw a
circle
with
S
as the center at the desired radius.
2.
Choose a point
P
on the circle boundary and draw a line through
S
and
P
. Call the line
l
.
3.
Construct a
normal
to
l
through the point
P
. Name the normal
t
. This is the
tangent
to the circle at the point
P
.
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