A simple closed curve is...........

The length from center of circle to its boundary is called

Diameter is what times the radius

What is the length of the boundary of a circle called

Line joining two points of circle is called

The longest chord of the circle is called...........

Choose the correct relationship formula

Radius is half of which term of the following

If the diametre of a circle is 14 cm then radius will be........

If the radius of a circle is 4cm the it's diameter will be.........