Posted by **Eleanna** on Monday, February 20, 2012 at 8:09pm.

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 the approximate height of the monument.

- math -
**Ms. Sue**, Monday, February 20, 2012 at 8:12pm
Use a proportion. Cross multiply and solve for x.

x/500 = 40/36

- math -
**Eleanna**, Monday, February 20, 2012 at 8:14pm
Still don't understand :/ help please.

- math -
**Ms. Sue**, Monday, February 20, 2012 at 8:18pm
x/500 = 40/36

36x = 20,000

x = 20,000 / 36

x = 555.6

The Washington Monument is about 556 feet tall.

## Answer This Question

## Related Questions

- geometry - Marc is visiting washington dc he wants to know the height of the ...
- Math - Mr. Hemley stands next to the Illinois Centennial Monument at Logan ...
- algebra - roger is 5 feet tall and casts a shadow 3.5 feet longer. at the same ...
- math - roger is 5 feet tall and casts a shadow 3.5 feet longer. at the same time...
- prealgebra - At the same time that a 60-foot tall building casts a shadow that ...
- Math - A flagpole casts a shadow 30 feet long. A 5 foot woman standing next to ...
- math - if a 6 foot vertical rod casts a shadow 15 feet long, how high is a ...
- Math - A flagpole casts a shadow of 23.5 feet long.at the same time of day, Ana...
- algebra 2 - Shalonda notices that when she stands next to the flagpole, she ...
- geometry - Shalonda notices that when she stands next to the flagpole, she casts...

More Related Questions