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36 votes
36 votes
А,

С
X = [?]°
55°
D
B
Х
E
→F
Angles are not drawn to scale.
Enter

А, С X = [?]° 55° D B Х E →F Angles are not drawn to scale. Enter-example-1
User Temasso
by
3.0k points

1 Answer

18 votes
18 votes

Answer:


\displaystyle 35

Step-by-step explanation:

Complementary Angles sum up to ninety degrees, so do the following:


\displaystyle 90° = 55° + m\angle{DEF} \\ \\ 35° = m\angle{DEF}

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User Proxi
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