3 years ago

Supplementary angles add to?Advanced: Write an equation and solve for x in the diagram

Mathematics

1 answer:

Ray Of Light [21]3 years ago

4 0

Supplementary angles add up to 180 degrees.

7x + 3x = 180 degrees.

Combine like terms.

10x = 180 degrees.

Divide both sides by 10

x = 18

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