During anovulation, which is common with irregular periods in menopause, progesterone is not produced. This can lead to estrogen build-up. As production of these two hormones so integral to the menstrual cycle begins to decrease prior to menopause, periods are usually affected.
10 A hula hoop is like a racetrack: Calculating the circumference, radius, and area of a circle. Provided by Kenan Fellows Program. Student can use hula hoops to explore basic geometry concepts and indirect measurement. In this lesson, students will use hoops of different sizes to explore geometry concepts such as circumference, area, and radius.
Join us! A baseball diamond has the shape of a square with sides 90 feet long. A player is running from first to second base at a speed of 30 feet per second. Find the rate at which the distance form home plate is changing when the player is 30 feet from second base. Answers.