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How tall do you think this light pole is?
I’m not sure, but we can use trigonometry to find out.
How are we going to do that?
First, imagine there’s a triangle here.
It looks like there’s a 40° angle of elevation and the distance to the pole is 7 feet.
We know this is a right triangle, and now we need find the height.
We need to use SOHCAHTOA to figure out the height. We know the adjacent side and the angle.
That means we will use tangent and the formula will be tan40=x/7
The height of this light pole is 5.9 feet.
Good job, now you know how tall the pole is.
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