Centre and Radius
Trending Questions
- 5 cm
- 6 cm
- 7 cm
- 8 cm
A human hair is approximately in diameter. How many hair are required to reach the thickness of ?
A circle is a set of points that are at the same distance from a fixed point. The fixed point is called as the
central
radius
center
diameter
A point, whose distance from the center of a circle is greater than its radius lies in __________ of the circle.
exterior
interior
The line joining the centre of a circle to a point on the circle is called its ________ .
- diameter
- chord
- radius
- centre
What is the radius of the largest circle that can be cut out of the rectangle measuring in length and in breadth?
Find the radius of the circle whose diameter is :
What will be the radius of a circle with diameter 20cm?
- 10cm
- 20cm
- 40cm
- 60cm
What will be the radius of a circle of diameter 20cm?
- 40cm
- 20cm
- 60cm
- 10cm
If the diameter of the circle is , then its radius is
- 10 cm
- 6 cm
- 5 cm
- 7 cm
If radius of a circle is halved then, ________________.
- Diameter will be doubled
- Diameter will be same
- Diameter will be halved
- Diameter will increase
- unequal
- equal
- almost equal
If the diameter of the circle is , then what will be its radius.
None of these
If diameter of a circle is 18 cm, then the radius is ____ cm.
Half of 18
18 + 18
18×18 cm
Twice of 18
- green
- red
- blue
- yellow
The diameter of a circle is 10 cm. Its radius is
5 cm
6 cm
20 cm
15 cm
The diameter of a circle is 15 cm. Its radius is
20 cm
30 cm
3 cm
7.5 cm
Diameter =
Twice the radius
Half of radius
One fourth the radius
One third the radius
The distance between the centre and any point on the circle is called the ____.
radius
diameter
circumference
arc
If radius of a circle is halved then, ________________.
- Diameter will be halved
- Diameter will increase
- Diameter will be same
- Diameter will be doubled