1. If the corner of Pennsylvania Avenue and 12th Street is approximately 110°, find the measures of all the corners identified. (Assume that 9th Street, 10th Street, 11th Street, and 12th Street are parallel.) 2. Using what you know about parallel lines cut by a transversal, justify how you know your answers are correct. 3. If the corner of Pennsylvania Avenue and 12th Street was 90°, explain how this would affect your answers.
1. If the corner of Pennsylvania Avenue and 12th Street is approximately 110°, find the measures of all the corners identified. (Assume that 9th Street, 10th Street, 11th Street, and 12th Street are parallel.) 2. Using what you know about parallel lines cut by a transversal, justify how you know your answers are correct. 3. If the corner of Pennsylvania Avenue and 12th Street was 90°, explain how this would affect your answers.
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
SectionP.CT: Test
Problem 1CT
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Hi, I am really stuck on these three questions. I have looked through all my notes and work that I have done and I can’t seem to find anything quite like this problem.  The first photo is the background information and the second photo is the questions that I am stuck on.

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Parade Blockade
Below is a map of a parade route that is going to take place in Washington, D.C., along
Pennsylvania Avenue. To control the crowds, the police department would like to set up
blockades along with the corners of all the streets intersecting Pennsylvania Avenue. In
order to do this, they need to know the angle at which each of the streets identified
below intersect Pennsylvania Avenue.
110°
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Pennsylvania Ave NW
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9th St N
10th StN
11th SE NW
12th StN

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1. If the corner of Pennsylvania Avenue and 12th Street is approximately 110°, find the
measures of all the corners identified. (Assume that 9th Street, 10th Street, 11th Street,
and 12th Street are parallel.)
2. Using what you know about parallel lines cut by a transversal, justify how you
know your answers are correct.
3. If the corner of Pennsylvania Avenue and 12th Street was 90°, explain how this
would affect your answers.
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32%
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