Mathematics 5 - Circle

A figure is the sets of all points in a plane with same distance from the a certain point is _____.

• square

• triangle

• semi circle

• circle

What line segment joining two points on the circle.

• chord

• center point

• radius

• diameter

A chord that connects two points on the circle and passes through the center of the circle.

• radius

• chord

• diameter

• center point

A line segment from the center of the circle to any point of the circle. It is one- half of the diameter.

• diameter

• chord

• center point

• radius

Dina measures a circular pond and finds its diameter is 24 meters. What is its radius?

• 24m

• 12cm

• 24cm

• 12m

A circular table has a radius of 3 meters, what is its diameter?

• 3m

• 6m

• 3cm

• 6dm

The distance around the circle is called____.

• area

• perimeter

• circumference

• volume

What formula is used in finding the circumference if the diameter is given ?

• C=pixd

• C=pixc

• C=pixr

• C=bxh

What is the value of pi?

• 2.13

• 3.15

• 3.14

• 3.16

Find the circumference of a circle if its diameter is 6 decimeter.

• 188.4cm

• 18.84cm

• 18.84dm

• 18.84m