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If two supplementary angles are in the4 ratio 2 : 7, then the angles are :

  • a)
    70°, 110°

  • b)
    50°, 130°

  • c)
    35°, 145°

  • d)
    40°, 140°

Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
If two supplementary angles are in the4 ratio 2 : 7, then the angles a...
Let the angles be 2x•and 7x• 2x+7x=180 9x=180 x=20 hence the angles are (2×20)=40• and (7×20)=140•
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Community Answer
If two supplementary angles are in the4 ratio 2 : 7, then the angles a...
Let, One angle be 2x and another angle be 7x. Now, 2x+7x=180 9x =180 x =180/9=20 Therefore, one angle=2*20=40 Another angle=7*20=140
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If two supplementary angles are in the4 ratio 2 : 7, then the angles are :a)70°, 110°b)50°, 130°c)35°, 145°d)40°, 140°Correct answer is option 'D'. Can you explain this answer?
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