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ª MATHSprint, 2013Free worksheet created by MATHSprint. Circle Theorems:1
Circle Theorems.mathsprint.co.uk .www
1: 12
If —CAD = 67°, find —CBD.
A
B
C
D
a) If —AOB = 112°, find —ACB.
O
A
B
C
b)
If —ACB = 21°, find —CAB.
O
A
BC
c) If —ABO = 71.5°, find —AOB.
O
A
B
d)
If —ABO = 35.5°, find —AOB.
O
A
B
e) If —ACB = 44°, find —ADB.
A
B
C
D
f)
ª MATHSprint, 2013Free worksheet created by MATHSprint. Circle Theorems:1
2: 12
If —ADC = 69°, find —ABC.
A
BC
D
a) Find —OAB.
O
A
B
C
b)
If —BAD = 29°, find —ACB.
AB
C
D
E
c) If —ABC = 113°, find —ADC.
AB
CD
d)
Find —OAC.
O A
B
C
e) If —CAE = 27°, find —ABC.
A
B
C
D
E
f)
ª MATHSprint, 2013Free worksheet created by MATHSprint. Circle Theorems:1
Answers: Circle Theorems.mathsprint.co.uk .www
1: 12 67°a) 56°b) 69°c) 37°d) 109°e) 44°f)
2: 12 111°a) 90°b) 29°c) 67°d) 90°e) 27°f)
