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Math 9 LG 16 Practice Quiz #5


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

 1. 
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.
mc001-1.jpg
a.
11.3
b.
22.5
c.
4.6
d.
14.9
 

 2. 
O is the centre of this circle and point A is a point of tangency.
Determine the value of b. If necessary, give your answer to the nearest tenth.
mc002-1.jpg
a.
5.5
b.
11
c.
23.2
d.
35.5
 

 3. 
O is the centre of this circle and point T is a point of tangency.
Determine the value of n. If necessary, give your answer to the nearest tenth.
mc003-1.jpg
a.
5.7
b.
51
c.
24
d.
40.4
 

 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 s to the nearest tenth, if necessary.
mc005-1.jpg
a.
3
b.
7.1
c.
12.2
d.
51
 

 6. 
O is the centre of the circle.
Determine the value of x to the nearest tenth, if necessary.
mc006-1.jpg
a.
5.7
b.
19.6
c.
288
d.
17
 

 7. 
O is the centre of this circle.
Determine the value of x°.
mc007-1.jpg
a.
44°
c.
180°
b.
90°
d.
88°
 

 8. 
O is the centre of this circle.
Determine the value of m°.
mc008-1.jpg
a.
90°
c.
180°
b.
80°
d.
40°
 

 9. 
O is the centre of this circle.
Determine the value of z°.
mc009-1.jpg
a.
55°
c.
90°
b.
110°
d.
70°
 

Short Answer
 

 10. 
O is the centre of this circle.
Which line is a tangent?
sa010-1.jpg
 

 11. 
O is the centre of this circle and point V is a point of tangency.
Determine the values of a° and b°.
sa011-1.jpg
 

 12. 
O is the centre of this circle and point S is a point of tangency.
Determine the values of m and n°. If necessary, give your answers to the nearest tenth.
sa012-1.jpg
 

 13. 
O is the centre of the circle.
What can you say about the lengths of WX and XY?
sa013-1.jpg
 

 14. 
Point O is the centre of this circle.
Determine the value of n to the nearest tenth, if necessary.
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.
In this circle, identify the inscribed angle and the central angle subtended by the same minor arc.
sa016-1.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 y° and z°.
sa018-1.jpg
 



 
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