An exterior angle of a triangle is of measure 110 and the interior opposite angles are in ratio 3:8. Find the measures of all the angles of the triangle.
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Answer: 30, 80, 70
Step-by-step explanation: Let x
By exterior angle property
3x + 8x = 110
x = 10
angles are 3x, 8x and 180 - (3x + 8x) = 30, 80, 70
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