3 years ago

I forget how to do this,thanks for the help!

Mathematics

1 answer:

miss Akunina [59]3 years ago

4 0

Answer:

x=12

Step-by-step explanation:

The sum of the angles of a triangle is 180 degrees

5x+8x+2x =180

Combine like terms

15x = 180

Divide by 15 on each side

15x/15 =180/15

x=12

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3 years ago

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