16. What do you call line segment N?
A. Diameter
B. Radius
C. Secant
D. Tangent
17. What do you call the distance from point R to point M?
A. Diameter
B. Radius
C. Secant
D. Tangent
18. What is the diameter of the circle?
A. 7.5 cm
B. 14 cm
C. 15 cm
D. 21 cm
![16 What Do You Call Line Segment N A Diameter B Radius C Secant D Tangent17 What Do You Call The Distance From Point R To Point M A Diameter B Radius C Secant D class=](https://ph-static.z-dn.net/files/ddc/eb5d8eb7bb09fcfa2a6f473a6e83b6bd.jpg)