3 years ago

If ABC=DEC, C=55, D=65, and B=2x. x=?

Mathematics

1 answer:

tester [92]3 years ago

4 0

Answer:

X = 30

Step-by-step explanation:

B = E

DEC = 180 degrees/ 65 + E + 55 = 180

E = 60

B = 2x

2x = 60

x = 30

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