Posted by Breanna on .
please illustrate how to rotate a triangle counterclockwise from the origin with coordinates A(2,0),B(7,0),
C(7,2). Thank you.
how can i help my son matthew about division and subtract borrow . thanks
Please click Post a New Question and then ask your question. Also -- your question isn't clear. What exactly does Matthew need to know about division? Do you also want to know about how to borrow in subtraction problems?
- Math - Writeacher,
For each point to be rotated, use this set of equations:
where x,y is the original point, and theta is the chosen angle of rotation counterclockwise.