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Independent Practice: ARCS, SEMICIRCLES & CENTRAL ANGLES
NAME:
DATE:
PERIOD:
Using the diagram below, name each of the following:
1. ____________________
X
Four central angles
____________________
Y
W
Q
2. ____________________
Two semicircles
3. ____________________
Four minor arcs
Z
____________________
4. ____________________
Two major arcs
____________________
Using circle C, find the measure of each arc or angle named.
If an arc is named, classify it as well. In circle C, TQ is a diameter.
5. _______________
mPCQ = ?
45
T
S
6. __________; ____________________
m ST = ?
R
C
7. __________; ____________________
m SQP = ?
P
8. __________; ____________________
m SQ = ?
9. _______________
mSCQ = ?
10. _______________
mSCP = ?
Geometry Unit -10 Properties of Circles
Q
60
Page 707
Independent Practice: ARCS, SEMICIRCLES & CENTRAL ANGLES
11. __________; ____________________
m SPQ = ?
12. __________; ____________________
m PQT = ?
13. _______________
mTCP = ?
45
T
S
R
C
14. __________; ____________________
m SPT
15. ___________; ___________________
m TQS
P
Q
60
Find each of the angles measures indicated.
16. m1 = __________
240
1
17. m1 = __________
1
O
18. m1 = __________
m2 = __________
2
1
O
160
19. m1 = __________
m2 = __________
40
O 2
1
Geometry Unit -10 Properties of Circles
Page 708
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