FIRST TANGENCY PRINCEPLE
Resolució
Solució
FIRST TANGENCY PRINCIPLE
A single tangent line passes through any point
on a circumference that is perpendicular to the radius
defined by the centre and that point.
REMEMBER: How to draw a perpendicular line
to a given one, that passes through a point
BY USING SET SQUARES.
FIRST TANGENCY PRINCIPLE
A single tangent line passes through any point
on a circumference that is perpendicular to the radius
defined by the centre and that point.
REMEMBER: How to draw a perpendicular line
to a given one, that passes through a point
BY USING SET SQUARES.
C
T1
t1
r1
r2
T2
t2