Question

Pentagon ABCDE is rotated 90 degrees counterclockwise about the origin to form pentagon A’ B’ C’ D’ E’. What is the y-coordinate if point C’?

Answer 1

4

Explanation:

Hope this helped!

Answer 2

4

Explanation:

When rotating a point 90 degrees counterclockwise about the origin the point A(x,y) becomes A'(-y,x).

Point C has coordinates of (4, 3)

New coordinates will be C'(-3, 4)

So the answer is:

y-coordinate of C' is 4