Circles and Arcs

Which of the following names a diameter?

• segment AC

• segment DB

• segment AB

• segment BC

What is circumference?

• The distance around a circle.

• The space inside the circle.

• A line from side to side passing through the center.

• A line from the center to the side.

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 does r represent in the formula:

A = π·r²

• circumference

• radius

• diameter

• squared

Tags

CCSS.7.G.B.4

What number does π represent?

• 4.13

• 3.41

• pie

• 3.14

Tags

CCSS.HSG.GMD.A.1

What is the symbol for pi?

• #

• π

• &

• %

Tags

CCSS.HSG.GMD.A.1

What is the area of this circle?

• 1256.64

• 31.41

• 314.16

• 123.12

Tags

CCSS.7.G.B.4

What is the area of this semi circle? 

• 100.5 square cm

• 25.1  square cm

• 50.3 square cm

• 12.6 square cm

Tags

CCSS.7.G.B.4

Find the area of the quarter circle. Round you answer to the nearest hundredth.

• 58.88

• 78.50

• 7.85

• 157.00

Tags

CCSS.7.G.B.4

Fins the area of this quarter circle with a radius of 6 cm.

• 56.52 cm

• 113.04 cm

• 28.26 cm

• 37.68 cm

Tags

CCSS.7.G.B.4