Question

A line i oining

the
center of
a circle
to
a point on
circler
called​

Answer 1

Radius.

Explanation:

A line joining the center of a circle to a point on the circle is called​ a radius.

This ultimately implies that, it is the straight line from the center of a circle to any point on the edge of the circle. Also, radius is half of a diameter i.e diameter divided by the 2.

Generally, the radius is used for calculating the area and circumference of a circle.

Area of a circle = πr²

Circumference of a circle = 2πr

The S.I units for measuring radius is meters.