What is the measure of Angle D F E? Triangle D E F. The exterior angle to angle F is 142 degrees. 38 degrees 52 degrees 118 degr
ees 142 degrees
2 answers:
Answer:
38
Step-by-step explanation:
- Add the angle and f angle (180)
- Now add 142 + f = 180
- Now subtract 180 - 142 (= f)
-
Finally you get your answer 38
Hope this helps you :)
as the exterior angle is known
sum of that angle and f angle = 180
142 + f = 180
f = 180 - 142
f = 38
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