Rotations of 90° have (x, y) = (-y, x). So for point b(-6,6) a rotation of 90° would create its new vertice at (-6,-6). Point c (-2,5) would be at (-5,-2). Point d (-3,1) would be

sorry, i can't understand your question. will later if you describe more clearly!

: )

“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .