Stacie did the mistake that he put the value of base in place of perpendicular and vice versa.
What is triangle?
The triangle is geometric shape which includes 3 sides and sum of interior angle should not grater than 180°
Solution is supposed to be
[tex]tan_ (-1) (28/21) = 53.33[/tex]
Thus,Stacie did the mistake that he put the value of base in place of perpendicular and vice versa.
Learn more about triangles here:
https://brainly.com/question/2773823
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