A rigid plate ABCD is subjected to forces as shown in Figure below. Compute the magnitude of the resultant (in KN) of the system with reference to the point A and determine the x and y intercept of the line of action of the resultant force R.
Extracted text: 100 kN 45° EF, 200 kN 200 kN 30 100 kN 193.30 103.40 173.8 273.8