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If AABC = ADEC,
LC = 55°, ZD = 65°, and ZB = 2x
D
С
В B.
x = [?]


If AABC ADEC LC 55 ZD 65 And ZB 2x D С В B X class=

Sagot :

Answer:

x = 30

Step-by-step explanation:

65 + 55 = 120

angle B must equal 60

angle B is labeled as 2x

set up equation to solve for 'x':  2x = 60

                                                     x = 30

add up all angles to make sure you get 180 degrees