Posted by **mier** on Sunday, March 9, 2014 at 8:49pm.

A TOWER AND A MONUMENT STAND ON A LEVEL PLANE.THE ANGLES OF DEPRESSION OF THE TOP AND BOTTOM OF THE MONUMENT VIEWED FROM THE TOP OF THE TOWER ARE 13DEGREE AND 31 DEGREE,RESPECTIVELY;THE HEIGHT OF THE TOWER IS 145 FT. FIND THE HEIGHT OF THE MONUMENT.

- MATH TRIGO-PLSSS ANSWER CLEARLY COZ IM VERY LOW IN -
**Steve**, Monday, March 10, 2014 at 5:27am
Draw a diagram. Let

T be the top of the tower

M be the top of the monument

A be the base of the tower

B be the base of the monument

∠TBA = 31°

so, 145/TB = sin 31°

Since

∠TBM = 59°

∠MTB = 18°,

∠TMB = 103°

The desired height (MB) is found by

MB/sin18° = TB/sin103°

## Answer This Question

## Related Questions

- math trig - A TOWER AND A MONUMENT STAND ON A LEVEL PLANE.THE ANGLES OF ...
- trgonometry - a tower and a monumement stand on a level plane. The angles of ...
- trig - A man standing 9 meters above the ground observes the angles of elevation...
- trig - A man standing 9 meters above the ground observes the angles of elevation...
- early trig - A monument stands on level ground. The angle of elevation of the ...
- Algebra - A surveyor is standing 115 feet from the base of the Washington ...
- Trigonometry - The angle elevation from a point A to the top of the Washington ...
- Trigonometry - The angle elevation from a point A to the top of the Washington ...
- math - The Washington monument is 555 feet high. If you are standing one quarter...
- math - from the top of a cliff 50 m high the angle of depression of the top and ...

More Related Questions