Geometry Answers

At a height of 25,000 ft. ,a pilot finds the angle of depression of the top of the tower as 25 degrees 30'. How far is he from the top of the tower? The tower is 500 ft. high.

As a balloon rises, its angle of elevation from a point A on level ground 140m. from the point B directly under the balloon changes from 30 degrees to 60 degrees . How far does the balloon rise during this period?

the sides BC,CA and BA of triangle ABC are produced in order forming exterior angles ACD,BAE and CBF. show that angles ACD+BAE+CBF=360

find the distance between (2,3) and (4,4)

1)the waterpipe has the inner diameter of3 3/4cm and a wall thickness of 5/7 cm.what is the 4 outer radius of the pipe.
2)the figure of a wooden frame is given with a picture inside.if the width of the wood everywhere is 1.2 cm,find the length and width of the picture and hence the perimeter of the picture is 18.5cm

GH=4x-1,and dh=8.find x

The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

Whatis the value of the exterior angle n? http://i49.tinypic.com/2eofl0m.jpg

If a circle has a diameter of 44' 4" and 5 points are evenly spaced around it, what is the distance between each point?

(Bonus) An observer is posted 150 ft. above water level and records two angles of depression to a boat as the boat heads toward shore. The first was 28° and the second was 42°. How far did the boat travel in the time between the two recordings?