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.

Question

asked Feb 28, 2021 122k views

1 Answer

Ingemar · Answer 1 · 2021-03-05T16:52:14+0000

Answer:

30-60-90 degrees

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