IXL | Distance between two points with decimals

Find the distance between the points

(

–

4.9

7.7

)

and

(

–

4.9

–

5.3

)

units

ref_doc_title.

Learn with an example

question

Find the distance between the points

(

–

6.8

–

)

and

(

9.5

–

)

units

solution

The distance between the points

(

–

6.8

–

)

and

(

9.5

–

)

is the length of the line segment that connects them.

Both points have a

-coordinate

–

so the line segment is horizontal.

The line segment is made of two parts: one that connects

(

–

6.8

–

)

to the

-axis

and one that connects

(

9.5

–

)

to the

-axis.

The

-coordinate

(

–

6.8

–

)

–

6.8

so the first part is 6.8 units long.

The

-coordinate

(

9.5

–

)

is 9.5, so the second part is 9.5 units long.

To find the total length of the line segment, add the lengths of both parts.

6.8

9.5

16.3

The distance between

(

–

6.8

–

)

and

(

9.5

–

)

is 16.3 units.

Looking for more? Try these:

Lesson: Coordinate plane

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Not feeling ready yet? These can help:

Distance between two points: integers only

Objects on a coordinate plane

Lesson: Coordinate plane

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