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.
To choose the right birth control method for you, consider the following: 1  How well it prevents pregnancy. 2  How easy it is to use. 3  Whether you need a prescription to get it.  Whether it protects against sexually transmitted infections 1  (STIs) Whether you have any health problems.