Algebra Assume that lines that appear to be tangent are tangent. O is the center of each circle. What is the value of x? 1. 140 2. 39 3. 40°

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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Practice
12-1
Form G
Tangent Lines
Algebra Assume that lines that appear to be tangent are tangent. O is the
center of each circle. What is the value of x?
1.
140
2.
39
3.
20
40°
70°
51°
The circle at the right represents Earth. The radius of the
Earth is about 6400 km. Find the distance d that a person can
r
see on a clear day from each of the following heights h above
r
Earth. Round your answer to the nearest tenth of a kilometer.
6.1300 km 4281.4 km
5. 20 km 506.4 km
4. 12 km 392.1 km
Transcribed Image Text:Tools Melanie_S_Jackson_... MELANIE JACKSON... MJackson Resume.. P0162744- Dell (00... 12-1.pdf 1/13 Practice 12-1 Form G Tangent Lines Algebra Assume that lines that appear to be tangent are tangent. O is the center of each circle. What is the value of x? 1. 140 2. 39 3. 20 40° 70° 51° The circle at the right represents Earth. The radius of the Earth is about 6400 km. Find the distance d that a person can r see on a clear day from each of the following heights h above r Earth. Round your answer to the nearest tenth of a kilometer. 6.1300 km 4281.4 km 5. 20 km 506.4 km 4. 12 km 392.1 km
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