Posted by **pat** on Thursday, December 17, 2009 at 11:42am.

ladder 13 feet long . if she set the base of the ladder on the level ground 5 feet from the side of a houes, how many feet above the ground will the top of the ladder be when it rest against the house?

- martin Luther King High School -
**bobpursley**, Thursday, December 17, 2009 at 11:51am
Isn't this a right triangle?

Pythagorean theorem applies:

13^2=h^2+5^2

- Math -
**Ms. Sue**, Thursday, December 17, 2009 at 11:51am
Please do not post the name of your school online. Your **School Subject** is __Math__.

You can use the Pythagorean theorem: a^2 + b^2 = c^2

5^2 + b^2 = 13^2

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