Ladder

Ladder 10 meters long is staying against the wall so that its bottom edge is 6 meters away from the wall. What height reaches ladder?

Your answer:

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Tips to related online calculators

Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:

arithmetic
square root
square (second power, quadratic)
planimetrics
Pythagorean theorem
right triangle
triangle
7th grade (12y)
8th grade (13y)

We encourage you to watch this tutorial video on this math problem: video1 video2