10-5 Tangents
Copy each figure and draw the common tangents. If no common tangent exists, state no common tangent.
11. ANSWER: 12. ANSWER: Determine whether each
is tangent to the given circle. Justify your answer.
13. ANSWER: Yes; 625 = 625
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100 =- 100
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13. ANSWER: 10-5Yes;
Tangents
625 = 625
14. ANSWER: Yes; 100 = 100
15. ANSWER: No;
16. ANSWER: Yes; 80 = 80
Find x. Assume that segments that appear to be tangent are tangent. Round to the nearest tenth if
necessary.
17. ANSWER: 26
18. ANSWER: 8.5
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18. 10-5ANSWER: Tangents
8.5
19. ANSWER: 9
20. ANSWER: 10.7
21. ANSWER: 4
22. ANSWER: 1
, and points D, E, and C are collinear. The radius
23. ARBORS In the arbor shown,
and are tangents to of the circle is 26 inches and EC = 20 inches. Find each measure to the nearest hundredth.
a. AC
b. BC
ANSWER: a. 37.95 in.
b. 37.95 in.
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22. 10-5ANSWER: Tangents
1
, and points D, E, and C are collinear. The radius
23. ARBORS In the arbor shown,
and are tangents to of the circle is 26 inches and EC = 20 inches. Find each measure to the nearest hundredth.
a. AC
b. BC
ANSWER: a. 37.95 in.
b. 37.95 in.
CCSS SENSE-MAKING Find the value of x. Then find the perimeter.
24. ANSWER: 7; 82 in.
25. ANSWER: 8; 52 cm
Find x to the nearest hundredth. Assume that segments that appear to be tangent are tangent.
26. ANSWER: eSolutions
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25. 10-5ANSWER: Tangents
8; 52 cm
Find x to the nearest hundredth. Assume that segments that appear to be tangent are tangent.
26. ANSWER: 9
27. ANSWER: 8.06
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