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 C42∘ and 56∘ Let the two angles be 3x∘ and 4x∘ Using Angle Sum Property, 82∘+3x∘+4x∘=180∘ 7x=180∘−82∘ 7x=98∘ x=14∘ Hence the other two angles are- 3×x=3×14=42∘ and 4×x=4×14=56∘