The angle of depression from D to F measures 40°. If DE = 100 m, find DF. Round your answer to the nearest tenth.

+2

(2) Answers

Darline200

Your answer would be......................................................................
119.2
Hope that helps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

elijahhardamon

You need to draw the triangle DEF with a right angle at E. Angle D = 40 and DE = 100 m. Once you have marked up your triangle, you can use cosine to find DF.