geometry

a 20 meter long cable is used to support a telephone pole holding it perpendicular to the ground. If the cable forms a 60grados angle with the ground how long mhigh up the pole should the cable be attached?

  1. 👍
  2. 👎
  3. 👁
  1. the cable is the hypotenuse of the right triangle formed by the cable, pole and ground.

    (height of attachment) / (cable length) = sin(60º)

    h / 20 m = √3 / 2

    1. 👍
    2. 👎
  2. 10✅3

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    A telephone pole is secured with two cables. The first cable is attached to the top of the pole and makes an angle of 70° with the ground. The cable is secured to the ground 8 m from the bottom of the pole. The second cable is

  2. math

    Guy wires 80 feet long support a 65-foot tall telephone pole. To the nearest degree, what angle will the wires make with the ground?

  3. 11th Grade Geometry

    A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the telephone pole, to the nearest inch? (1 yd = 36 in., and 1 ft = 12 in.)

  4. Physics

    A traffic light hangs from a pole as shown. The uniform aluminum pole AB is 7.70m long and has a mass of 11.0kg. The mass of the traffic light is 27.5m. 1. Determine the tension in the horizontal massless cable CD. 2. Determine

  1. Geometry

    Guy wires 80 feet long support a 65 foot tall telephone pole. To the nearest degree, what angle will the wires make with the ground?

  2. physics

    Two speakers are driven by the same oscillator with frequency of 172 Hz. They are located 3.72 m apart on a vertical pole. A man really far away walks straight toward the lower speaker in a direction perpendicular to the pole. How

  3. geometry

    A cable 22 feet long runs from the top of a utility pole to a point on the ground 15 feet from the base of the pole. How tall is the utility pole? - thanks!

  4. Math

    A telephone pole anchored to the ground by a cable called guy wire at a point of 5m from the base of the pole. The wire make an angle of 72.5 with the horizontal. What is the height of the pole where the guy wire is attached to

  1. algebra

    A wire to be attached to support a telephone pole. Because of surrounding buildings, sidewalks and roadways, the wire must be anchored exactly 21 feet from the base of the pole. Telephone company workers have only 28 feet of

  2. geometry

    find the angle of wlevation of the sun when a 12.5 meter tall telephone pole casts an 18 meter long shadow?

  3. Geometry

    A 20 meter long cable is used to support a telephone pole, holding it perpendicular to the ground. If the cable forms a 60 degree angle with the ground, how high up the pole should the cable be attached?

  4. Math

    A cable 16 m long runs from the top of a utility pole to a point on the ground 4 m from the base of the pole how tall is the utility pole to the nearest tenth A. 15.5 m** B. 16.5 m C. 256 m D. 16 m

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