For Demo Teaching

3. A circle is a set of all
points in a plane that
are equidistant from a
fixed point in the
plane.

4. V
V

5. V
J
A
B
R
Q
N
O
M
radius

6. Radius is a line
segment that joins
the center of the
circle to a point on
the circle.

7. V
A
J
B
R
Q
N
O
M
radius
chord

8. A chord is a segment
whose endpoints are
any two points on
the circle.

9. V
A
BM
N
J
R
Q
O
radius
chord
diamete
r

10. Diameter is a chord
which passes
through the center
of a circle.

11. V
A
BM
N
J
5cm
10cm
R
Q
O
radius
chord
diamete
r

12. V
A
BM
N
J
3x
6x
R
Q
O
radius
chord
diamete
r

13. V
A
BM
N
J
2.5cm
5cm
R
Q
O
radius
chord
diamete
r

14. V
A
BM
N
J
3cm
6cm
R
Q
O
radius
chord
diamete
r

15. V
A
BM
R
Q
N
J
3cm
6cm
O
radius
chord
diamete
r
secant

16. Secant is a line
that contains a
chord.

17. V
A
BM
R
Q
N
O
E
J
3cm
6cm
A
BM
R
Q
N
D
O
J
M
chord
diamete
r
secant
radius
tangent
point of
tangenc
y
chord
diamete
r
secant

18. Tangent to a circle is a
line, a ray, or a segment
in the plane of a circle
that intersects the
circle at exactly one
point.

20. P
S NO
A
T
M
R

21. S NO
P
RP
M
T
a circle
P

22. S NO
P
A
M
T
three radii
PO
PM
PA
R

23. S NO
P
A
M
T
a diameter
OM
R

24. S NO
P
A
M
T
two tangents
SN
MT
R

25. S NO
P
A
M
T
a chord
OM
R

26. S N
P
A
T
a secant
MR
R
O
M

27. S NO
P
A
M
T
two points of
tangency
Points
O and M
R
N

29. C
A S
T
V
O
R
M
K

30. Identify each of
the following as
related to the
given circle.

31. 1. AS
2. VS
3. C
4. CV
5. RM
6. TK
7. AO
8. R
9. CO
10. AS

32. 1. AS
2. VS
3. C
4. CV
5. RM
6. TK
7. AO
8. R
9. CO
10. AS
1. Secant
2. Diameter
3. Center
4. Radius
5. Tangent
6. Chord
7. Diameter
8. Point of Tangency
9. Radius
10. Chord

34. Draw a circle and illustrate the
following in 1/2 crosswise.
1. Center K
2. Chord LM
3. Radius KN
4. Tangent QR with point L as point
of tangency
5. Secant ST
6. Diameter PO