Mathematics, 07.05.2020 12:58 keidyhernandezm

The following coordinates are known with respect to a Cartesian system with origins in O, referring to the four points A, B, C and D: Xa = -50.58 m; Ya = 17.81 m XB = -35.07 m; YB = -28.56 m Xc = 38.87 m; Yc = -33.75 m Xd= 29.66 m; Yd= 63.42 m Calculates: • the internal angles, in hundredth degrees, of the quadrilateral ABCD; • the perimeter and area of the ABCD quadrilateral; • the coordinates of the point K intersection of the two diagonals of the quadrilateral.

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