Question

A 19-ft ladder leans against a building so that the angle between the ground and the ladder is 80∘.

How high does the ladder reach on the building?

I did 19sin(80) to get me 18.76847847 for how high the ladder reach on the building... but when i put the answer, it's wrong.

Any help would be awesome!
I found the answer! i just need to change my mode settings from radians to degrees or i could of change the degrees to radians without changing the mode(maybe?).

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