# math

A ladder is 2 m long. It leans against a wall so that it is 90 cm from the base of the wall. How far up the wall does the ladder reach? Put your answer in m. Round to 3 sig fig.

1. First get the same units 2 m and .9 m

wall = x

x^2 + .9^2 = 2^2
x^2 + .81 = 4

solve for x.

posted by Joe

First Name

## Similar Questions

1. ### math

A ladder leans against a brick wall, The top of the ladder touches the wall 10 feet from the ground. The ladder is 15 feet long. How far does the bottom of the ladder sit from the wall? Round to the nearest tenth.
2. ### math

A painter places an 8.5 ft ladder against a wall. The bottom of the ladder is 4 ft from the base of the wall. How high up the wall does the ladder reach? (hint: round to the nearest tenth)
3. ### maths

A ladder 9cm long leans against a wall if the foot of the ladder is 4.5cm away the wall how far up the wall does the ladder reach.
4. ### Pre-Calculus

A ladder leans leans against a building that has a wall slanting away from the ladder at an angle of 96 degrees with the ground. If the bottom of the ladder is 23 feet from the base of the wall and it reaches a point 52 feet up
5. ### math help

A ladder 8ft long leans against a wall. It rests on the ground 2 ft fromt he wall. How highon the wall does the ladder reach? and i am not taught the Pythagorean theorem.
6. ### math

A ladder 8ft long leans against a wall. It rests on the ground 2 ft fromt he wall. How highon the wall does the ladder reach?
7. ### math

A ladder 8ft long leans against a wall. It rests on the ground 2ft from the wall. How high on the wall does the ladder reach?
8. ### Math

A ladder is placed against a wall, with its base 2 m from the wall. The ladder touches the top of a 2 m fence that is 1.5 m from the wall. How high up the wall does the ladder reach? Thanks for answering! Your help is greatly
9. ### Math Algebra

A 10 foot ladder is to be placed against the wall, the base of the ladder must be placed at an angle of 72 degrees with the level ground for secure footing find to the nearest in how far the base of the ladder should be from the
10. ### algebra

10 ft ladder leans against wall its foot braced 3 ft from wall's base. how far up the wall does the ladder reach? please walk me through it

More Similar Questions