Grades 5-8 Charles Shields. chord 3a#39;a#39; ... Finding the Diameter or Radius If you know the radius of a circle, you can find the diameter. ... To find the diameter, use the formula d = 2r. d = 2(3) d = 6 The diameter of the circle is 6 inches. ... Finding the Circumference of a Circle The distance around a circle is its circumference (C ).
|Title||:||How to Succeed in Geometry|
|Publisher||:||Teacher Created Resources - 2000|