The ratio of the angles of a triangle is 2: 3: 4 calculate the value of the largest angle in the triangle.
A. 80 degree
B. 91 degree
C. 54 degree
D. 451degree
সঠিক উত্তরঃ
A.
80 degree
Explanation: Sum of ratios = 2+3+4 = 9.
Total angle = 180 degrees.
Largest angle = (4/9) * 180 = 80 degrees.
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