SOLUTION: The company to make a pond that has a depth of 1.5 meters and the angle between the vertical depth and the slant height of the cone shaped pond is 69 degrees. What is the diamete

Algebra ->  Triangles -> SOLUTION: The company to make a pond that has a depth of 1.5 meters and the angle between the vertical depth and the slant height of the cone shaped pond is 69 degrees. What is the diamete      Log On


   

Question 884506: The company to make a pond that has a depth of 1.5 meters and the angle between the vertical depth and the slant height of the cone shaped pond is 69 degrees.
What is the diameter of the new pond?
I do not understand how to figure this out .
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

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From the diagram,
cos%2869%29=1.5%2FR
R=1.5%2Fcos%2869%29
R=4.186
D=2R
D=8.37m