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The smallest angle of a triangle is measure x degrees. The second angle is 45 degrees more than the smallest angle. The third angle is three times larger as the smallest angle. Write algebraic expression to express measures of the second and third angles of the triangle.

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Answer:

Step-by-step explanation:

The sum of the angles is 180°

x+(x+45)+(3x) = 180

5x = 135

First angle = x = 27°

Second angle = x+45 = 72°

Third angle = 3x = 81°

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