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Math 9 LG 16 Practice Quiz #3


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
O is the centre of this circle and point Q is a point of tangency.
Determine the value of x°.
mc001-1.jpg
a.
139°
b.
49°
c.
41°
d.
90°
 

 2. 
O is the centre of this circle and point G is a point of tangency.
Determine the value of a. If necessary, give your answer to the nearest tenth.
mc002-1.jpg
a.
11.3
b.
22.5
c.
4.6
d.
14.9
 

 3. 
O is the centre of this circle and point Q is a point of tangency.
Determine the value of c. If necessary, give your answer to the nearest tenth.
mc003-1.jpg
a.
48
b.
27.1
c.
11
d.
5.5
 

 4. 
A circle has radius 7 cm. Which of the following measures could NOT be the length of a chord in the circle: 2 cm,  11 cm,  14 cm,  or 17 cm?
a.
17 cm
c.
2 cm
b.
11 cm
d.
14 cm
 

 5. 
O is the centre of the circle.
Determine the value of n to the nearest tenth, if necessary.
mc005-1.jpg
a.
13.5
b.
4.4
c.
19
d.
1
 

 6. 
O is the centre of the circle.
Determine the value of z to the nearest tenth, if necessary.
mc006-1.jpg
a.
4.5
b.
3.6
c.
5
d.
1
 

 7. 
O is the centre of this circle.
Determine the value of m°.
mc007-1.jpg
a.
90°
c.
180°
b.
80°
d.
40°
 

 8. 
O is the centre of this circle.
Determine the value of q°.
mc008-1.jpg
a.
60°
c.
180°
b.
90°
d.
45°
 

 9. 
O is the centre of this circle.
Determine the value of c°.
mc009-1.jpg
a.
90°
c.
180°
b.
44°
d.
88°
 

Short Answer
 

 10. 
O is the centre of this circle. Point T is a point of tangency.
What is the value of e°?
sa010-1.jpg
 

 11. 
Is the line that passes through points U and V a tangent to the circle?
sa011-1.jpg
 

 12. 
O is the centre of this circle and point V is a point of tangency.
Determine the values of a° and b°.
sa012-1.jpg
 

 13. 
O is the centre of the circle.
What can you say about the measure of sa013-1.jpg?
sa013-2.jpg
 

 14. 
Point O is the centre of this circle. Without solving for s, sketch and label the lengths of any extra line segments you need to draw to determine the value of s.
sa014-1.jpg
 

 15. 
Point O is the centre of this circle.
Determine the value of m to the nearest tenth, if necessary.
sa015-1.jpg
 

 16. 
O is the centre of this circle. Is sa016-1.jpg a central angle or an inscribed angle?
sa016-2.jpg
 

 17. 
What is the relationship between the measures of sa017-1.jpg and sa017-2.jpg?
sa017-3.jpg
 

 18. 
Point O is the centre of the circle.
Determine the values of a° and c°.
sa018-1.jpg
 



 
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