Test: Circles II - Ambitious

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Question 1:   Find α :
α= 40
α= 35
α= 45
α= 70
Question 2:   Find angle BAC :
BAC= 60
BAC= 50
BAC= 55
BAC= 65
Question 3:   Find α :
α= 45
α= 40
α= 55
α= 35
Question 4:   Find α :
α= 90
α= 60
α= 80
α= 50
Question 5:   Find α :
α= 72
α= 64
α= 68
α= 90
Question 6:   Find α :
α= 225
α= 205
α= 315
α= 135
Question 7:   Find α :

α= 10
α= 20
α= 30
α= 25
Question 8:   Find α :

α= 50
α= 60
α= 30
α= 40
Question 9:   Calculate distance between the center of the circle and the midpoint of the chord a :

3cm
5cm
3 3
4 2 cm
Question 10:   Find the length of a chord:

6cm
7cm
14cm
12cm