Circles: Area and Circumference

The distance halfway across the circle is called the...

• radius
• diameter
• circumference
• area

Tags

CCSS.HSG.C.A.2

The distance across the circle through the center is called the...

• radius
• diameter
• circumference
• area

Tags

CCSS.4.MD.C.5

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

• radius
• diameter
• circumference
• area

Tags

CCSS.HSG.GMD.A.1

If you multiply π × d then you will get the...

• radius
• diameter
• circumference
• area

Tags

CCSS.7.G.B.4

If a circle has a radius of 16 ft. then which statement is true?

• The radius is 8 ft. 
•  The diameter is 8 ft
• The radius is 32 ft.
• The diameter is 32 ft.

Tags

CCSS.7.G.B.4

If a circle has a radius of 5 ft. then which formula below is correct for the circumference?

• π(5)
• π(10)
• π(5)(5)
• π(10)(10)

Tags

CCSS.7.G.B.4

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

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

Tags

CCSS.7.G.B.4

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

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm
• 18.84mm
• 78.5mm
• none of the above

Tags

CCSS.7.G.B.4