Two angles of a quadrilateral measure 100° and 190°. The other two angles are in a ratio of
3:4. What are the measures of those two angles?


  1. The measures of those two angles is 30 degrees and 40 degrees.
    What is angles?
    An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle’s sides and vertices, respectively. Angles created by two rays are on the plane where the rays are located. The meeting of two planes also creates angles. Dihedral angles are these.
    A pair of rays (half-lines) having a shared terminal are combined to form an angle. The latter is referred to as the angle’s vertex, and the rays are sometimes referred to as the angle’s legs and other times as its arms.
    360 – (190 + 100) = sum of other two angles
    360 – 290 = 70
    70/(3+4) = 70/7 = `10
    10 × 3 = 30 degrees, 10 × 4 = 40 degrees.
    To learn more about angles visit:

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