according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.
step-by-step explanation:
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Idon’t have want a lot more
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The correct answer is 7
Answer from: Quest
Ait gives no info about the y at the end therefore it has no solution
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