emily8496
contestada

16. In the figure below, vertices D and F of ADEF lie on
CG, the measure of ZCDE is 148°, and the measure of
ZEFG is 140°. What is the measure of ZDEF?
E
?
140°
148°
D
C
F 720
G. 989
H. 100°
J. 108°
K. 116°

16 In the figure below vertices D and F of ADEF lie on CG the measure of ZCDE is 148 and the measure of ZEFG is 140 What is the measure of ZDEF E 140 148 D C F class=

Respuesta :

akposevictor

Answer:

J. 108°

Step-by-step explanation:

m<EDF = 180 - 148 = 32° (angles on a straight)

m<EFD = 180 - 140 = 40°(Angles in a straight line)

m<DEF = 180 - (m<EDF + m<EFD) (sum of triangle)

m<DEF = 180 - (32 + 40)

m<DEF = 180 - 72

m<DEF = 108°

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