Here is a pretty hard problem that we all can work together to solve before Christmas
-Good Luck
In triangle ABC, the measure of ∠B is 90°, BC=16, and AC=20. Triangle DEF is similar to triangle ABC, where vertices D, E, and F correspond to vertices A, B, and C, respectively, and each side of triangle DEF is
1
3
the length of the corresponding side of triangle ABC. What is the value of sinF?
From,
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