IXL - Distance to the origin in three dimensions (Geometry practice)

Find the distance from the point (10, 2, 7) to the origin.

Write your answer as a whole number or as a decimal rounded to the nearest hundredth.

ref_doc_title.

Learn with an example

question

Find the distance from the point (3, 8, 6) to the origin.

Write your answer as a whole number or as a decimal rounded to the nearest hundredth.

key idea

The distance d between the points

(a,

and

(x,

can be found using the distance

formula:

(

–

)

(

–

)

(

–

)

solution

The origin is the point (0, 0, 0). Use the distance formula to find the distance d between the points (0, 0, 0) and (3, 8, 6).

(

–

)

(

–

)

(

–

)

109

10.4403

...

To the nearest hundredth, the distance is 10.44.

Looking for more? Try these:

Lesson: Distance formula

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Questions
answeredQuestions

Time
elapsedTime

hr	min	sec
00	00	06

SmartScore
out of 100
IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

Teacher tools

Work it out

Not feeling ready yet? These can help:

B.13Distance formula

Lesson: Distance formula

Excellent! You got that right!

Jumping to level 1 of 1

Excellent!