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Question

One angle of a triangle is 82 and the other two are in the ratio 3 : 4. Find the value of other two angles.

A
38 and 60
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B
54 and 44
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C
42 and 56
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D
48 and 50
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Solution

The correct option is C 42 and 56
Let the two angles be 3x and 4x
Using Angle Sum Property,
82+3x+4x=180
7x=18082
7x=98
x=14
Hence the other two angles are-
3×x=3×14=42
and 4×x=4×14=56

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