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I really need help ​

Edit:// I dropped my phone and it went to English thats why it ain't on Math.

I really need help ​ Edit:// I dropped my phone and it went to English thats why it-example-1
User Nullptr
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1 Answer

5 votes

The answer would be 15.

The first equation would be ∠1 = 15°

Then the second equation is ∠2 = (3 * 15 + 30)° which simplifies to 75°

And since complementary angles need to equal 90° to be true we have to add both angles. So, ∠1 (= 15°) + ∠2 (= 75°) = 90°. Now that we know they equal 90°, 15 would be the answer to your problem.

User Moritz Ringler
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