Rotation. In this animated Math Shorts video from the Utah Education Network, learn about rotation, which describes how a geometric shape turns around a point, called the center of rotation. When a geometric shape rotates on a coordinate plane, it stays exactly the same distance from the center of rotation.
Which birth control methods also protect against sexually transmitted infections (STIs)? The male latex or polyurethane condom gives the best protection against STIs. The female condom provides some protection. With all other methods, you also should use a male or female condom to protect against STIs.
1 Worn on the penis. 2  Made of latex or plastic. 3  Prevent pregnancy and sexually transmitted infection. 4  Can be used with another form of birth control for extra protection. 5  Can be used for vaginal, anal, or oral sex. 6  Safe, effective, and easy to get.  Cost about $1 each, but are sometimes available for free.