Circles Quiz

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance from an edge of a circle to another edge through the center. 

Tags

CCSS.HSG.C.A.2

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

The circumference of a circle is

• The measurement from an edge of a circle to another edge.
• The measurement around the circle
• The measurement from an edge of a circle to another edge going through the center
• The measurement from the center of the circle to an edge of the circle

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 56 m?

• 175.8 m
• 176.8 m
• 165.8 m
• 186.8 m

Tags

CCSS.7.G.B.4

What is the formula for the area of a circle?

• A = π

• A = 2πr

• A = πr²

• A = πd

Tags

CCSS.7.G.B.4

What is the exact area for a circle with a diameter of 100? Remember the formula for area of a circle is A=πr² .

• 2500π

• 1500π

• 200π

• 50π

Tags

CCSS.7.G.B.4

What is the exact area for a circle with a diameter of 12? Remember the formula for area of a circle is A=πr² .

• 12π

• 6π

• 36π

• 144π

Tags

CCSS.7.G.B.4

Find the area of the circle.

• 9π cm²
• 36π cm²
• 3π cm²
• 2.25π cm²

Tags

CCSS.7.G.B.4