Question

rotate the given shape 90 degrees counterclockwise around the origin. (when plotting the points, plot in alphabetical order). click to select polygon abcd

Explanation:

Step1: Identify original coordinates

A(3,2), B(5,1), C(7,5), D(5,5)

Step2: Apply 90° counterclockwise rotation rule (x,y)→(-y,x)

A'( -2,3 ), B'( -1,5 ), C'( -5,7 ), D'( -5,5 )

Answer:

A'(-2, 3), B'(-1, 5), C'(-5, 7), D'(-5, 5)