Circumference and Area of a Circle

Find the area of the circle below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Tags

CCSS.HSG.GMD.A.1

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?

• 10 in
• 2.5 in
• 15.7 in
• 31.4 in 

Tags

CCSS.HSG.GMD.A.1

A circular race track has a diameter of 1/2 mile.
How far does a car travel in one lap around the 
track?

• 1 mile
• 0.25 miles
• 1.57 miles
• 15.7 miles

Tags

CCSS.HSG.GMD.A.1

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.HSA.CED.A.4

CCSS.HSA.REI.B.3

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.
• The measurement around the circle
• The measurement from and edge of the circle to another edge through the center
• A line perpendicular to the diameter of the circle

Tags

CCSS.HSG.C.A.2

What is the formula for finding the circumstance for a circle with just the radius?

•  2*π*r
• 1/2 b*h
• a+b/2*h
• I do not know

Tags

CCSS.HSG.GMD.A.1

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

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.

Tags

CCSS.HSG.GMD.A.1

CCSS.HSA.CED.A.1

The radius is 8 inches.  What is the circumference?

• 50.24 inches
• 25.12 inches
• 12.56 inches
• 200.96 inches

Tags

CCSS.HSG.GMD.A.1

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)?

• 9.25 cm²
• 9.62 cm²
• 9.15 cm²
• 9.99 cm²

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.MG.A.1