Civil Engineering Reference
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A
E
D
B
Figure 5-33 To draw a tangent to a circle from a given point
in the circumference.
B
E
C
A
F
D
Figure 5-34
To draw tangents to a circle from points outside
the circle.
intersect the arc at
BD
. Join
BC
and
CD
, which intersect the circle
at
E
and
F
, and draw the tangents
AE
and
AF
.
Problem 14
To describe a series of circles tangent to two inclined lines and tan-
gent to each other.
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