abcd is a special quardilateral are in the ratio 1:2:3:4 measur of the four angles =

Answer 1

let the angles be x, 2x, 3x, and 4x. (ratio is 1:2:3:4)
A quadrilateral has an angle sum of 360

x+2x+3x+4x = 360
10x = 360
x = 36

angles are 36°, 72°, 108° and 144°