Answer:
90, 30, 60 degrees
Step-by-step explanation:
1st angle = 90
2nd angle = x
3rd angle = 2x that is twice the other one
Remember sum of angles in a triangle = 180 degree
Therefore,
90 + x + 2x = 180
90 + 3x = 180
Subtract 90 from both sides
90-90 + 3x = 180-90
3x = 90
Divide both sides by 3
3x/3 = 90/3
x = 30 degrees
Therefore
1st angle = 90 degree
2nd = 30 degrees
3rd = 2x = 2× 30 = 60 degrees
90, 30, 60 degrees
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