8. What is a line segment that joints any two points on the circle? *
A. chord
B. center
C. diameter
D circumference

9. What do you call the intersection of a circle and the tangent line?
A. arc
B. radius
C. center
D. point of tangency

10. In drawing a circle, what instrument is used to ensure that its radius is 6 cm.?
A. ruler
B. compass
C. protractor
D. straight edge​