Concept explainers
(a)
To find: the number of points on
(a)
Answer to Problem 46WE
The number of points is 1.
Explanation of Solution
A ray starts with a point and goes on forever in one direction.
Therefore,
If ray
Therefore, from above argument and as demonstarted in the associated figure
There can be only one point whose distance from point A is 3 cm, on the right side
Hence, the answer is 1.
(B)
To find: the number of points on
(B)
Answer to Problem 46WE
The number of points is 2.
Explanation of Solution
A line extends forever in both the directions
Therefore,
If line
Therefore, from above argument and as demonstrated in the associated figure
There can be two points whose distance from point A is 3 cm, on the right side
Hence, the number of points is 2.
Chapter 1 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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