27. The waterway between Lake Huron
and Lake Superior separates the United
States and Canada at Sault Sainte Marie.
The railroad drawbridge located at
Sault Saint Marie is normally 13 feet
above the water when it is closed.
Each section of this drawbridge is
210 feet long. Suppose the angle of
elevation of each section is 70°.
a. Find the distance from the top of a section of the drawbridge to the water.
b. Find the width of the gap created by the two
sections of the bridge.

HELP PLEASE!

Question

27.	 The waterway between Lake Huron 
and Lake Superior separates the United 
States and Canada at Sault Sainte Marie. 
The railroad drawbridge located at 
Sault Saint Marie is normally 13 feet 
above the water when it is closed. 
Each section of this drawbridge is 
210 feet long. Suppose the angle of 
elevation of each section is 70°. 
a.      Find the distance from the top of a section of the drawbridge to the water. 
b.	 Find the width of the gap created by the two
 sections of the bridge.
 
HELP PLEASE!

anonymous · Answer

attachment

anonymous · Answer

#27 in attached file

mathmale · Answer

Look at this part of the problem first:

anonymous · Answer

OK

anonymous · Answer

I was trying to use cosine to solve...I'm just thinking about it wrong I believe

mathmale · Answer

think of this situation as illustrated here:|dw:1396110766414:dw|