math

To determine the height of a pine tree, you measure the shadow cast by the tree and find it to be 20 feet long. Then you measure the shadow cast by a 36-inch tall oak sapling and find it to be
d = 12 inches long. Estimate the height of the pine tree.

  1. 👍
  2. 👎
  3. 👁
  1. if you guys want the picture, this is the picture link:
    www.webassign.net/laratrmrp6/2-1-057-alt.gif

    1. 👍
    2. 👎
  2. since the ratio of height:shadow is the same,
    h/20 = 36/12

    1. 👍
    2. 👎
    👤
    oobleck
  3. h/20 = 36/12
    h=(36*20)/12
    h= 60
    is this answer correct

    1. 👍
    2. 👎
  4. yes. each object is 3 times as tall as its shadow's length.

    1. 👍
    2. 👎
    👤
    oobleck
  5. thanks oobleck

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    If a tree cast a shadow 30 feet long at the same time that a boy 5 feet tall cast a shadow 3 long. Find the height in feet of the tree.

  2. geometry

    Pine Tree In order to estimate the height h of a tall pine tree, a student places a mirror on the ground and stands where she can see the top of the tree, as shown. The student is 6 feet tall and stands 3 feet from the mirror

  3. Geometry

    George, who is 6.25-feet tall, needs to know the height of a tree that he is going to cut down. He notices that he casts a 10-foot shadow when the tree casts a 28-foot shadow. The height of the tree is feet tall. Enter only the

  4. Math

    Use similar triangle to solve. A person who is 6 feet tall standing 140 feet from the base of a tree and the tree casts a 150 foot shadow. The person's shadow is 10 feet in length. What is the height of the tree?

  1. Geometry

    Starla is 5feet 9inches tall. To find the height of a tree,she measured her shadow and the tree's shadow. Her shadow was 8feet long when the trees shadow was 30 feet long. To the nearest foot,how tall is the tree?

  2. prealgebra

    At the same time that a 60-foot tall building casts a shadow that is 21.5 feet long, a nearby tree casts a shadow that is 18 feet long. Which measure is closest to the height of the tree?

  3. math

    A tree casts a shadow that is 20 feet long. The angle of elevation from the end of the shadow to the top of tree is 66 degrees. Determine the height of the tree, to the nearest foot.

  4. math

    A tree casts a shadow that is 20 feet long. The angle of elevation from the end of the shadow to the top of tree is 66 degrees. Determine the height of the tree, to the nearest foot.

  1. 10th grade

    A tree casts a 25 foot shadow. At the same time of day, a 6 foot man standing near the tree casts a 9 foot shadow. What is the approximate height of the tree to the nearest foot?

  2. 9th grade integrated algebra

    a tree casts a 25 foot shadow on a sunny day if the angle of elevation from the tip of the shadow to the top of the tree 32 degrees, what is the height of the tree to the nearest thenth of a foot?

  3. Spherical Trigonometry

    *100 meters from the base of the pine tree its top was sighted as forming 38 degrees with the ground.Find the height of the tree.

  4. math

    At the time that a 55 foot tall tree casts a shadow that is 32 feet long, a nearby woman is 5.5 feet tall. Which measure is the closest to the length of the shadow she will cast?

You can view more similar questions or ask a new question.