Answer:
The co-ordinates of K¹( -1 , -2 )
Explanation:
Explanation:-
Given that the point K( -2,1 )
when rotating a point 90° about the origin
Given point A(x,y) transformation to A¹( - y,x )
Given point K(-2,1) → K¹ ( -(1) , -2)
Final answer:-
The co-ordinates of K¹( -1 , -2 )