vvatermelons
vvatermelons
20-07-2017
Mathematics
contestada
What is m∠DFE?
A. 78
B. 42
C. 19
D. 119
Respuesta :
jimthompson5910
jimthompson5910
20-07-2017
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
Answer Link
matlackam
matlackam
26-06-2019
The answer is
(D) 119
.....................................
Answer Link
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