arandomperson3476 arandomperson3476

30-12-2020
Mathematics

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The second angle of a triangle is 3 times as large as the first angle. The third angle is 30 degrees more than the first angle. Find the measure of the angles.

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clarch19 clarch19

30-12-2020

Answer:

30-60-90 degrees

Step-by-step explanation:

1st angle: x

2nd angle: 3x

3rd angle: x+30

Sum of all angles must be 180 degrees

x + 3x + x + 30 = 180

5x + 30 = 180

5x = 150

x = 30

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