Sunday

January 25, 2015

January 25, 2015

Posted by **rim** on Tuesday, January 17, 2012 at 6:08am.

- math -
**drwls**, Tuesday, January 17, 2012 at 6:41amLet the height of the multistory building be y and the distance between them be x. The draw yourself a figure.

You should be able to convince yourself that

y/x = tan 45 = 1

(y-8)/x) = tan30 = 0.5774 = (x-8)/x

1 - (8/x) = 0.5774

8/x = 0.4226

x = 18.9 m

y = 18.9 m

**Answer this Question**

**Related Questions**

math - The angle of depression of two points on opposite sides of a building are...

trig - The angle of depression of the top and bottom of a tower as seen from the...

10th grade math - The angle of elevation from the top of a 10m high building to ...

Trigonometry - a flagpole 25 feet tall stands on a top of a building. from a ...

Trigonometry - a flagpole 25 feet tall stands on a top of a building. from a ...

trigo - from the top of 90 meters high building it is observe that the top of ...

Physics - a television antenna is on the roof of the building. from a pt. on the...

physics - a television antenna is on the roof of the building. from a pt. on the...

geometry - chung ho is standing on the top of a building that is 135m tall. The ...

Physics - a television antenna is on the roof of the building. from a pt. on the...