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.
After abstinence, the best protection against both pregnancy and STDs is actually to use two methods of birth control at the same time: 1  a condom to protect against STDs, and. 2  a hormonal method (like the Pill), because these have the highest protection rates against pregnancy.