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2 votes
If AC=10 inches and CB=5 inches what is AB

2 Answers

4 votes

Answer:

It depends on the positions of the points.

Explanation:

Since there is no figure, we cannot tell what the correct answer is since there is more than one possibility.

Here is one valid possibility.

10 5

<----------------+--------------------------+------------+--------------------->

A C B

Here we have point C between points A and B. Then according to the definition of a point between two points, we have AB = AC + CB.

AB = AC + CB

AB = 10 + 5

AB = 15

Here is another equally valid possibility.

<----------- AC = 10----------------->

5

<----------------+--------------------------+------------+--------------------->

A B C

Here we have AC = 10 and CB = 5, but we have point B between points A and C. According to the definition of a point in between two points, we have AC = AB + CB

10 = AB + 5

AB = 5

AB may be 10 or 5 depending on the order of the points on the number line. That makes the problem ambiguous without a figure.

User Nirpi
by
8.4k points
1 vote

If AC=10 inches and CB=5 inches what is AB...

now, AB= AC+CB

= 10+ 5

=15 inches......

hope it helps you.have a nice day/ night...........

User Mbnx
by
7.6k points

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