3 years ago

Can someone help me solve for x I don’t get it?

Mathematics

1 answer:

iren2701 [21]3 years ago

8 0

Answer:

10) x=90

9) x=20

Step-by-step explanation:

x+2x=180

3x=180

divide 180 by 3x=90

straight lines add up to 180 degrees.

9) x+8x=180

9x=180, thus 20.

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