24-01-2022
Mathematics

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24-01-2022

Answer:

30°

Step-by-step explanation:

We have a right angle and two other angles equal to 7x and 2x. The sum of all of the angles is 360, so therefore 7x + 2x = 360 - 90 = 270°

9x = 270°

We divide both sides by nine and get that

9x/9 = 270/9

x = 30°

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