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The four angles of a quadrilateral are in AP with common difference 10°. What is the largest angle?

Class 10Properties and Selection of AP TermsAlgebra — Sequences
  • A105°
  • B120°
  • C95°
  • D100°

Step-by-Step Solution

Write the angles as °, °, °, ° (gap 10°). Sum °, °. Angles 75°, 85°, 95°, 105°.
Answer: A) 105°

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