Circle quiz

Find the area of the circle

• 56.52 in²
• 254.34  in²
• 1017.36  in²
• 113.04  in²

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

What is the radius of this circle?

• 20 in
• 10 in
• 40 in
• 10 in²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 1256.64 in²
• 31.41 in²
• 314.16 in²
• 123.12 in²

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters
• 28.26 meters
• 56.52 meters
• 18 meters

What is the radius of this circle?

• 140 mi
• 35 mi
• 70 mi
• 70 mi²

Tags

CCSS.7.G.B.4

What is the formula for area of a circle?

• A = pi x D
• A = 2pi x r
• A = pi x r²
• A = pi x d²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 16π
• 8π
• 4π
• 16π²

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side