genyjoannerubiera
29.02.2020 •
Mathematics
How would I get to X. Please show work
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Ответ:
Ответ:
36.08
Step-by-step explanation:
Side DE is the side adjacent to ∠D. Side DF is the hypotenuse of the triangle. Adjacent/hypotenuse is the ratio for cosine; this gives us the equation
To solve this, multiply both sides by 55: