Algebra

posted by .

A surveyor is standing 115 feet from the base of the Washington Monument. The sureyor measures the angle of elevation to the top of the monument as 78.3. How tall is the Washington Monument?

The answer's 555 feet, but I'm not sure how to get it. Can you explain?

  • Algebra -

    tan 78.3 = h/115
    h = 115tan78.3
    =555.3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. algebra

    The Eiffel Tower is 497 feet taller than the Washington monument. If each of the monuments were 58 feet shorter, the Eiffel Tower would be twice as tall as the Washington Monument. How tall is each?
  2. Math

    Jack is standing next to a monument in the city square. His shadow is 18 feet long. The shadow of the monument is 150 feet long. If Jack is 6 feet tall, how tall is the monument
  3. math

    The Washington Monument is the tallest structure in Washington D.C. At the same time the monument casts a shadow that is about 500 feet long, a 40 foot flagpole nearby casts a shadow that is about 36 feet long. Make a sketch. Find …
  4. geometry

    Marc is visiting washington dc he wants to know the height of the washington monument the length of the monument shadow is 111 feet long at the same time that marcs shadow is 1 foot long Marc is 5 feet tall using this data find the …
  5. early trig

    A monument stands on level ground. The angle of elevation of the top of the monument, taken at a point 425 feet from the foot of the monument, is 32º. Find the height of the monument to the nearest foot.
  6. Math

    Mr. Hemley stands next to the Illinois Centennial Monument at Logan Square in Chicago and casts a shadow that is 18 feet long. The shadow of the monument is 204 feet long. If Mr.Hemley is 6 feet tall, how tall is the monument?
  7. Art

    This American monument was inspired by Ramses’ Abu Simbel. Washington Monument Mount Rushmore Statue of Liberty Lincoln Monument
  8. Trigonometry

    The angle elevation from a point A to the top of the Washington Monument is 32 degrees. From point B, which is not the same line but 55 feet closer to the monument, the angle elevation to the top is 38 degrees. Find the height of the …
  9. Trigonometry

    The angle elevation from a point A to the top of the Washington Monument is 32'. From point B, which is on the same line but 55 feet closer to the monument, the angle of elevation to the top is 38'. Find the length of the Washington …
  10. math

    The Washington monument is 555 feet high. If you are standing one quarter of a mile, or 1320 feet, from the base of the monument and looking at the top, find the angle of elevation to the nearest degree.

More Similar Questions