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Home Aptitude Ratio and Proportion See What Others Are Saying!
  • Question
  • The ratio of the angles of a triangle is 3 : 4 : 5. The three angles of a quadrilateral is equal to three angles of this triangle. What is the sum of the largest angle and second smallest angle of the quadrilateral ?


  • Options
  • A. 225 deg
  • B. 210 deg
  • C. 205 deg
  • D. 245 deg

  • Correct Answer
  • 225 deg 

    Explanation

    Angle of triangle = 180 × 3/12

    = 45 deg

    Other angles of the triangle are = 60 deg, 75 deg

    Angle of quadrilateral

    = 360 - (45 + 60 + 75)

    = 180 deg

    Therefore, the four angles of the quadrilateral are 45, 60, 75 & 180 degrees.

    Hence, the sum of largest and smallest angle of the quadrilateral are 180 + 45 = 225 deg.

  • Tags: CAT, GATE, Bank Clerk, Bank PO, AIEEE, Bank Exams

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