Is the following statement true or false?

The centre of a circle bisects each chord of the circle.

Is the following statement true or false?

A secant of a circle is a segment having its end points on the circle.

A chord of a circle is a segment having its end points on the circle.

Draw a circle with centre $O$ and radius $3.7 \mathrm{cm}$. Draw a sector having the angle ${72}^{\circ }.$

Fill in the blank by using $<, >, =$ or $\le$.

$OP$ _____ $OQ$, where $O$ is the centre of the circle, $P$ lies on the circle and $Q$ is in the interior of the circle.

Fill in the blank by using $<, >, =$ or $\le$.

$OP$ _____ $OR$, where $O$ is the centre of the circle, $P$ lies on the circle and $R$ is in the exterior of the circle.

Fill in the blank by using $<, >, =$ or $\le$.

Major arc _____ minor arc of the circle.

Fill in the blank by using $<, >, =$ or $\le$.

Major arc _____ semicircumference of the circle.

A diameter of a circle is a chord that _____ the centre.