syed2007thebest syed2007thebest

21-04-2021
Mathematics

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Angle A is x. Angle B is 20 more than angle A. If angles A and B are supplementary angles, find the value of x.

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kngubeni217 kngubeni217

21-04-2021

Answer:

9

Step-by-step explanation:

that's because angle B is twice angle A in which they add up to 180 because they are supplementary angles

20x=180

divide both sides by 20

in which

x=9

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