The distance between the end of a lamppost’s shadow and the top of the lamppost is 39 feet. The angle measure of the shadow is 23°. How long is the shadow of the lamppost to the nearest tenth of a foot?
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Question

The distance between the end of a lamppost’s shadow and the top of the lamppost is 39 feet. The angle measure of the shadow is 23°. How long is the shadow of the lamppost to the nearest tenth of a foot?
(picture below)

anonymous · Answer

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anonymous · Answer

39 cos 23 = length of the shadow??

anonymous · Answer

hope you know why??

anonymous · Answer

is it 17.87 ? and i do know why i just need help on this packet and im asking for help on the ones i dont know but im understanding now