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18-09-2020
Mathematics

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Supplementary angles add to?

Advanced: Write an equation and solve for x in the diagram

Supplementary angles add toAdvanced Write an equation and solve for x in the diagram class=

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18-09-2020

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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