1) What is a set of points in a plane that are the same distance from a point called the center. a) radius b) circle c) chord d) diameter 2) What is a line segment connecting any two points on a circle. a) chord b) radius c) perimeter d) circumference 3) Which chord is the longest in a circle and it goes through the very center of the circle. a) segment b) radius c) diameter d) circumference 4) The length of the diameter is ________ times the length of the radius a) 5 b) 3 c) 2 d) 4 5) is a line segment joining the center of a circle to any point on the circle a) diameter b) radius c) perimeter d) chord 6) Two radii, end to end form a a) chord b) radius c) perimeter d) diameter 7) ________________ is the distance around or “perimeter” of a circle. a) radius b) circumference c) chord d) diameter 8) The approximate length of the circumference of a circle is about ________times the length of the diameter a) 2 b) 4 c) 3 d) 5 9) The approximate length of the circumference of a circle is about __________ times the length of the radius. a) 6 b) 4 c) 5 d) 3 10) What is the diameter of a circle if the radius is 4 cm? a) 2 cm b) 8 cm c) 1 cm d) 6 cm 11) What is the approximate circumference of a circle if the diameter is 12 inches? a) 4 inches b) 24 inches c) 6 inches d) 36 inches 12) What is the radius of a circle if the diameter is 14 mm? a) 7 mm b) 6 mm c) 28 mm d) 10mm 13) What is the diameter of a circle if the circumference is about 30 inches? a) 5 inches b) 10 inches c) 6 inches d) 15 inches 14) What do we call a chord that passes directly through the center of a circle? a) circumference b) radius c) diameter d) segment

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