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 Abstinence from sex is the only 100 percent effective way to prevent unplanned pregnancies and STDs. 2  For adolescents who are sexually active, using effective contraception (birth control) is necessary to avoid unwanted pregnancies. These methods include oral contraceptives (âthe pillâ), patch, vaginal contraceptive ring, injection or âshot,â implant, and intrauterine device (IUD). 2  Barrier methods of birth control include the male condom, female condom, diaphragm or cervical cap (both require a medical prescription), and spermicides.