Scholarship Exam Preparation App
Class 6 - (Math )
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
Explanation :
The radius of a circle is half the diameter (r = d / 2). Therefore, 30 / 2 = 15 cm.