Practice Page
Directions: Read carefully!
1.
Line segment ab is tangent to circle O at point A. Which type of triangle is always formed when points, A, B and O are connected?

Choose:
right
obtuse
isosceles
scalene
tangentgirl

 

 

2.
Given circle O with tangents
aband acseg. Find x.

Choose:
41
25
tangent41
5
tangent1

 

 

3.
Given circle O with tangent ab.
Find x.

Choose:
12
16
18
20
tangent2

 

 

4.
Segments shown are tangents to the circles. Find x.

Choose:
3
4
5
10
tangent3

 

 

5.
Given circle O with tangents
aband acseg. If AB = 15 and
AO = 17, find OC.

Choose:
5
8
6
9
tangent4

 

 

6.
Given circle O with AB = 8 and
OB = 5. Find the length of tangent acseg.

Choose:
9
10
12
13
tangent5

 

 

7.
Given circle O tangents as shown.
Find x.

Choose:
4
5
7
8
tangent7

 

 

8.
Given circle O with a radius of 9, AB = 24, and BC = 30. Isab a tangent to circle O?

Choose:
YES
NO
tangent 8

 

 

9.
Given circle O with tangents
aband acseg. If m∠ABC = 74º,
find m∠A.

Choose:
148º
74º
42º 32º
tangent9

 

 

10.
Given circles O and M sharing external tangents acseg and ae. The points of tangency are B, C, D, and E. The ratio of AB to BC is 3 to 2. If AE = 35, find DE.
     tangent10
Choose:
7
 14
21 24
tangentgirl2



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