Posted by **jenny** on Thursday, September 13, 2012 at 5:39pm.

The bottom of the ladder is 5 feet tall from the wall. the ladder is 13 feet long. about how high is the wall?

- math -
**Ms. Sue**, Thursday, September 13, 2012 at 5:49pm
Time for the Pythagorean theorem since you're looking at a right-angle triangle.

a^2 + b^2 = c^2

5^2 + b^2 = 13^2

25 + b^2 = 169

b^2 = 169 - 25

b^2 = 144

b = 12

- math -
**jenny**, Thursday, September 13, 2012 at 5:58pm
THANCK YOU SO MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

- math -
**Ms. Sue**, Thursday, September 13, 2012 at 6:17pm
You're very welcome.

## Answer this Question

## Related Questions

- calculus - a ladder 6 feet long leans against a vertical building. the bottom of...
- math - A ladder leans against a brick wall, The top of the ladder touches the ...
- Calculus - A ladder 15 feet long leans against a vertical wall. Supppose that ...
- Math - A firefighters ladder, 65 feet long, rests against a tall building. If ...
- Math - A 13 foot ladder is leaning against a vertical wall. The distance from ...
- Pre-Calculus - A ladder leans leans against a building that has a wall slanting ...
- algebra - A ladder is resting against a wall. The top of the ladder touches the ...
- Calculus - A 17 foot ladder is leaning against a wall. The bottom of the ladder...
- algebra - Sheila is climbing on a ladder that is attached against the side of a ...
- math- fast please - a ladder which is 15ft leans against a wall. suppose that ...

More Related Questions