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Identify parts of a circle Math Grade 5

Study Slideshow

What do you call a line segment that connects the center of a circle to any point on the circle?

radius

Identify the part of the circle shown in the image.

diameter

A line segment that touches two points on the circle but does NOT pass through the center is called what?

chord

Identify the part of the circle shown in the image.

center

What is the name of the longest straight line that passes through the center of a circle?

diameter

What do you call the curved part of a circle between two points?

arc

What is the total distance around a circle called?

circumference

If the diameter of a circle is 10 cm, what is its radius?

5 cm

Which part of the circle is always half of the diameter?

radius

Identify the part of the circle shown in the image.

chord

A pizza slice represents which part of a circle?

sector

Which part of a circle is always twice the radius?

diameter

What do you call the part of a circle enclosed by an arc and a chord?

segment

Identify the part of the circle shown in the image.

sector

If a circle has a radius of 8 cm, what is the diameter?

16 cm

If the circle has a diameter of 24 cm, what is the radius?

12 cm