Circumference and Area Circles & other Composite Figures

Find the perimeter

• 14 m

• 43.96m

• 176 m

• 191.96 m

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

The perimeter of a circle is usually called the...

• radius
• diameter
• circumference
• area

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 1 inch? Use 3.14 for pi.

• 3.14 inches
• 6.28 inches
• 314 inches
• 628 inches

Tags

CCSS.7.G.B.4

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

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

What is the radius of a circle with diameter 24 cm?

• 24 cm
• 48 cm
• 12 cm 
• 72 cm

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in
• 44 in
• 116 square in
• None of the above

Tags

CCSS.HSG.GMD.A.1

What is the area of this circle? Round your answer to two decimal places.

• 82.13

• 78.50

• 314.16

• 170.12

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

• 4 in.
• 8 in.
• 12 in.
• 16 in.

What is the area of the yellow?

• 78.5 mi²
• 19.625 mi²
• 39.25 mi²
• 31.4 mi²

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6