Parts of a Circle

Master circle parts like radius, diameter, and circumference with this fun worksheet!

Label the Parts of a Circle Use the following word bank to label the parts of the circle.WORD BANK: arc circumference radius diameter center chord chord diameter radius center circumference arc Chord Any straight line linking two points on a circle`s circumference, but may not pass through its center. Radius Any straight line from the center of a circle to its circumference. Diameter the distance measured from one point on a circle to another going through the center Circumference The total length of the outside edge (perimeter) of a circle. What is the radius of a circle with a diameter of 9 cm? 3 cm 4.5 cm 18 cm What is the diameter of a circle with the radius of 30 ft? 15 ft 60 ft 94.2 ft I am making a hat for a very smart friend. I measured his head and his melon is 24 inches around. What is the approximate diameter of his cranium? 5 inches 6 inches 7 inches 8 inches