Parts of a Circle and Circumference

Front

What is the name for the part of the circle labeled by the letter A? (It is the distance from the center of the circle to the "edge").

Back

radius

Front

What is the name for the part of the circle labeled by the letter C? (It is the line that divides the circle in half)

Back

diameter

Front

What is the name for the part of the circle labeled by the letter B? (It is the midpoint of the circle)

Back

center

Front

What is the name for the part of the circle labeled by the letter D? (It is the distance around the circle)

Back

circumference

Front

Formula to find the length of the diameter of a circle given the radius?

Back

Front

Formula to find the circumference of a circle?

Back