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Class 10 Mathematics Arithmetic Progressions (AP)Introduction to APs and common difference.Expert

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The sequence of angles is (180^\circ,150^\circ,120^\circ,90^\circ). What is the common difference?

Answer and explanation

Correct answer: (-30^\circ)

Each next angle decreases by (30^\circ), so the difference is (-30^\circ). In exams, keep the unit in the answer.

Related tags

Ap Angles Negative Difference Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap Mathematics

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