Circumference of Circle-Diameter

14cm in the circle represents its

• radius

• diameter

What is the length of the radius of the circle?

Tags

CCSS.7.G.B.4

Find the circumference of the circle

• 18.84 cm

• 75.36 cm

• 37.68 cm

Tags

CCSS.7.G.B.4

Find the circumference of the circle whose diameter is 10 m

• 31.4 m

• 62.8 m

• 15.7 m

Tags

CCSS.7.G.B.4

The ratio between a circle's circumference and ​ (a)   is ​ (b)  

• diameter
• radius

Tags

CCSS.7.G.B.4

Find the circumference of the circle whose diameter is 10 m

• 31.4 m

• 62.8 m

• 15.7 m

Tags

CCSS.7.G.B.4

A line that goes from one end of the circle to the other and crosses the center point.  

• center
• diameter
• dime eater
• radius

What is the circumference of this circle ?

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

Tags

CCSS.7.G.B.4

Match the formulas to the measurements indicated.

• To find the diameter of a circle use:

• d/2

• To find the circumference of a circle use:

• 2r

• To find the radius of the circle use:

• To find the area of a circle use:

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

Tags

CCSS.7.G.B.4