Posted by **John** on Tuesday, April 5, 2011 at 6:58pm.

A 60 ft. antenna stands on top of a building, From a point on the ground, the angles of elevation to the top and bottom of the antenna measure 58 and 44 respectively. How tall is the building

- Trig -
**tchrwill**, Wednesday, April 6, 2011 at 4:07pm
Triangle ABC, A the point of angle measurement on he ground, B the base of the antenna and C, the top of the antenna. Extend CB to ground level at D.

Angle CAB = 58 - 44 = 14º

Angle ACB = 32º

60/sin14 = AB/sin32

AB = 60sin32/sin14

h = BD = ABsin44º

## Answer This Question

## Related Questions

- Pre- Calculus - An antenna is located at the top of a building 1000 ft tall. ...
- 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...
- Math- Pre calc - A 60 foot antenna stands on top of a building. From a point on ...
- Physics - a television antenna is on the roof of the building. from a pt. on the...
- trigonometry - A 100-foot vertical antenna is on the roof of a building. From a ...
- trigonometry - A television antenna is on the roof of a building, the angle of ...
- Precalculus - I have three questions on my homework in which I am stuck on. ...
- Trig - From a point 120 feet from the base of a plant building the angle of ...
- Math (Triangles - (Angle of Elevation) - A television antenna is situated atop a...

More Related Questions