6.MG.1 Parts of Circle and Pi

Match the following parts of the circle.

• chord

• radius

• diameter

• center

A circle has a radius of 6 cm. What is the diameter of the same circle?

• 3 cm

• 6 cm

• 12 cm

• 10 cm

Tags

CCSS.7.G.B.4

The space inside of a circle is the ​ (a)   .

The distance around a circle is the ​ (b)   .

• area
• circumference
• diameter
• radius
• pi

A circle has a diameter of 9 ft. What is the radius of the same circle?

• 18 ft

• 6 ft

• 4.5 ft

• 3 ft

Tags

CCSS.7.G.B.4

What is the diameter? Type two letters. The order doesn't matter.

(a)  

Tags

CCSS.7.G.B.4

The table gives information about a circle. Which ratio is closest to the value of pi?

Tags

CCSS.7.G.B.4

Select each representation that is an approximation of pi.

• 3.14

Tags

CCSS.6.NS.C.6C

The diameter of a circle is 8 m and the circumference is about 25.12 m. Which of the following could be used to calculate an approximation for pi?

Tags

CCSS.7.G.B.4

Select all of the statements that are NOT true about circles.

• The circumference is about 2 times the diameter.

• The radius is half the diameter.

• The diameter is half of the radius.

• A chord must go through the center of a circle.

• The diameter is a chord.

Tags

CCSS.HSG.C.A.2