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kakasveta [241]

3 years ago

11

A. 20 b. 5 c. 40 d. 45

2 answers:

AysviL [449]3 years ago

8 0

I think it could be B

By divide but iam not sure sorry if it wronge

Rina8888 [55]3 years ago

6 0

Answer:

C, 40

Step-by-step explanation:

You can set up the equation as 20+4x=180

180 is the total angle of the line

4x=160 and divide each side by 4

x=40

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