SOLUTION: A conveyor ramp carries heavy equipment up to an elevated platform. If the ramp starts at ground level 156 ft from the base of the platform and the angle of elevation is 20°, how l

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Question 174367: A conveyor ramp carries heavy equipment up to an elevated platform. If the ramp starts at ground level 156 ft from the base of the platform and the angle of elevation is 20°, how long is the ramp?
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
A conveyor ramp carries heavy equipment up to an elevated platform. If the ramp starts at ground level 156 ft from the base of the platform and the angle of elevation is 20°, how long is the ramp?
:
This is a right triangle we can use the cosine here;
Let x = length of the ramp, which is the hypotenuse
:
Cos(20) =
.93969 =
.93969x = 156
x =
x = 166.0 ft

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