Posted by **rob** on Tuesday, March 20, 2012 at 8:53pm.

a ladder is 15 ft long and is leaning against the wall. the top of the ladder is 12 feet above the ground. find the distance from the bottom of the ladder to the wall. draw and label a picture and show work....

- geometry -
**Steve**, Wednesday, March 21, 2012 at 12:44pm
if the distance is d,

d^2 + 12^2 = 15^2

d^2 + 144 = 225

d^2 = 81

d = 9

but then you knew that anyway, since it's a nice 3-4-5 triangle scaled by a factor of 3, eh?

## Answer this Question

## Related Questions

- Math - A 13 foot ladder is leaning against a vertical wall. The distance from ...
- math - 3. Suppose a ladder is 12 ft. long. The base of the ladder is 5 ft. from ...
- help quick!!! - a ladder leans against a awall.The top of the ladder is 8 feet ...
- Calculus - related rates: a ladder, 12 feet long, is leaning against a wall. if ...
- calculus - a ladder 6 feet long leans against a vertical building. the bottom of...
- algebra - A ladder is resting against a wall. The top of the ladder touches the ...
- math - A ladder leans against a brick wall, The top of the ladder touches the ...
- Analytical Geometry - A 10 foot long ladder is leaning against a vertical wall ...
- Calculus - The top of a 24 foot ladder, leaning against a vertical wall, is ...
- Math - A 20 foot ladder is leaning against the side of a building. The bottom of...