Geometry - Circle
If the diameter of a circle is 30 cm, what is the length of the radius of the circle?
A
36 cm
B
18 cm
C
15 cm
D
12 cm
The radius of a circle is 7 cm. What will be its circumference? (π = 22/7)
A
44 cm
B
38 cm
C
49 cm
D
22 cm