Scholarship Exam Preparation App
Class 7 - (Math )
Geometry - Circle, Circular region, Segment, Area of a circle
If the diameter of a circle is 20 cm, what is its radius?
a :
40 cm
b :
10 cm
c :
5 cm
d :
20 cm
Explanation :
The radius is half the diameter. Radius = 20 / 2 = 10 cm.