pre alg

posted by .

a 9 ft ladder is leaning against a wall so that Adam can hang a picture 7.5 ft above the floor. how far does the ladder need to be placed from the wall?

  • pre alg -

    a^2 + b^2 = c^2

    7.5^2 + b^2 = 9^2

    56.25 + b^2 = 81

    b^2 = 81 - 56.25

    b^2 = 24.75

    b = 4.795 feet

  • pre alg -

    thank u

  • pre alg -

    You're welcome.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    3. Suppose a ladder is 12 ft. long. The base of the ladder is 5 ft. from a wall, and the top of the ladder is leaning against the wall. How far above the ground is the tip of the ladder?
  2. physics

    A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. The weight of the ladder is 21.8 lb. A 57.8-lb boy climbs 4.38 m up the ladder. What is the magnitude of the frictional …
  3. physics

    A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. The weight of the ladder is 18.4 lb. A 60.8-lb boy climbs 4.18 m up the ladder. What is the magnitude of the frictional …
  4. geometry

    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....
  5. Physics

    Consider the stability of a ladder of mass m and length L leaning against a wall. A painter wants to be sure the ladder will not slip across the floor. He knows that the frictional force exerted by the floor on the bottom end of the …
  6. plane and spherical trigonometry

    a ladder 38 feet long is leaning against the side of a wall. if the angle between the ladder and the wall is 54 (degrees) approximately how far is the bottom of the ladder from the wall?
  7. phsics

    uniform ladder 25 ft long rests against a smooth vertical wall. The ladder weighs 15 Kg. The lower end of the ladder is 15 ft from the wall. A man weighing 80 Kg climbs up the ladder until he is 20 ft from the base of the ladder, (20 …
  8. Analytical Geometry

    A 10 foot long ladder is leaning against a vertical wall with the top of the ladder 8ft from the ground. What is the slope of the ladder?
  9. maths

    A 25m ladder is leaning against a vertical wall. The floor is s lightly slippery and the foot of the ladder slips away from the wall at a rate of 0.3m/ s. How fast is the top of the l adder sliding down the wall when the top is 20m …
  10. Math

    A ladder is leaning up against a wall. The ladder touched the wall 5ft up. The ladder is 6ft Long. A) Draw a picture and label all of the values B) What is the angle that is made between the ladder and the ground?

More Similar Questions