If the largest angle of a triangle is twice the sum of the other two and the smaller angle is one f

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If the largest angle of a triangle is twice the sum of the other two and the smaller angle is one fourth of the largest angle, then the angles in degrees are :
(i) 45°, 45°, 90° (ii) 30°, 60°, 90o (iii) 30°, 30°, 120° (iv) none of these
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