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2 votes
Need this, please. real fast

Need this, please. real fast-example-1

1 Answer

3 votes

Answer:

9

Explanation:

(5x-4)+(6x-5)=90 degrees, because complementary angles add up to 90 degrees. So, 11x-9=90, 11x=99, then x=9.

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User Vollkorntomate
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