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kumpel [21]
3 years ago
15

What is m∠DFE? A. 78 B. 42 C. 19 D. 119

Mathematics
2 answers:
timofeeve [1]3 years ago
7 0
Angle DFB = (1/2)*[(arc CE)+(arc BD)]
Angle DFB = (1/2)*(84+38)
Angle DFB = (1/2)*122
Angle DFB = 61

(Angle DFB) + (angle DFE) = 180
angle DFE = 180 - (Angle DFB)
angle DFE = 180 - 61
angle DFE = 119 degrees

---------------------------------------

Final Answer is choice D) 119 degrees

11111nata11111 [884]3 years ago
5 0

The answer is (D) 119

.....................................

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