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Big Ideas Math Integrated I, 2016
BI
Big Ideas Math Integrated I, 2016 View details
1. Points, Lines, and Planes
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Exercise 26 Page 385

How do you name a ray?

See solution.

Practice makes perfect

Note that a line above two capital letters represents a line segment between the two points which are represented by those letters. Because of this, we can say that YC and YE are the two line segments between Y and C, and between Y and E, respectively. Since they are segments and not rays, they cannot be opposite rays. Let's highlight them in the diagram.

To fix the given statement, we can change the notation above the letters to make them into rays instead! Let's consider the rays YC and YE in the diagram.

Since YC and YE share the endpoint, Y, and point in opposite directions, they are in fact opposite rays.

Subchapter links expand_more
arrow_right Communicate Your Answer p.379
4
arrow_right Monitoring Progress p.380-383
Monitoring Progress 1 (Page 380)
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arrow_right Exercises p.384-386
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