Circles

Identify the diameter in the given figures.

Find the centre of the circles in the given figures.

Write the names of the parts in the given figure.

A closed figure that has curvilinear boundary is called as circle.

Arc of a circle is the part of a circle.

I folded my circular disk into two parts but the parts are no equal. The greater area is known as _____ sector.

Center of a circle is a fixed point in a circle.

$OQ$ is the _____ of the circle.

$MN$ is the _____ of the circle.

The length of the diameter of a circle is twice the length of its radius.

The line $MN$ have divided the circle in two _____.

Every circle has a centre.

A chord of a circle contains exactly _____ points of the circle.(two/three/four)

All radii of a circle are _____. (equal/not equal)

A radius is a chord of the circle.

How many circles can be drawn to pass through two given points?

The total number of diameters of a circle is 

Given a circle with centre $O$ and radius $2.5 \mathrm{cm}$, what is the length of the longest chord of the circle in $\mathrm{cm}$. (Write the answer without unit)
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The diameter of a circle is $14 \mathrm{cm}$, find its radius in $\mathrm{cm}$. (Write the answer without unit)

If the greatest chord of the circle is $10 \mathrm{cm}$ then find the length of its radius.