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Mathematical Ratios: Class 9 Math MCQ App & e-Book - 103

MCQ: 103

Two angles in a triangle are 63° and 57°. The ratio of 3rd angle to the first 2 should be

  1. 3 : 4
  2. 2 : 1
  3. 1 : 2
  4. 5 : 6

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Mathematical Ratios App (Android & iOS)

Mathematical Ratios App (Android & iOS)

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10th Grade Biology App (iOS & Android)

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A level Biology App (Android & iOS)

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College Biology App (iOS & Android)