If diameter of a circle is 18 cm, then the radius is ____ cm.
Half of 18
Twice of 18
18×18 cm
18 + 18
We know that the radius of the circle is half of the diameter. Therefore, if diameter is 18, then radius is half of 18, which is 9 cm.
If the radius of a pizza is 18cm, then its diameter is _____cm.
What will be the diameter of a circle of radius 18 cm?
1 km/hr = x m/s The value of x is: