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An exterior angle of triangle is 80° and the interior opposite angles are in the ratio 1:3. Measure of each interior opposite angle is:a)30°, 60°b)30°, 90°c)40°, 120°d)20°, 60°Correct answer is option 'D'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about An exterior angle of triangle is 80° and the interior opposite angles are in the ratio 1:3. Measure of each interior opposite angle is:a)30°, 60°b)30°, 90°c)40°, 120°d)20°, 60°Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An exterior angle of triangle is 80° and the interior opposite angles are in the ratio 1:3. Measure of each interior opposite angle is:a)30°, 60°b)30°, 90°c)40°, 120°d)20°, 60°Correct answer is option 'D'. Can you explain this answer?.

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