Circle review

If the diameter of a circle is 5 cm. What is the circumference?

• 2.5 cm
• 10 cm
• 15cm 
• 20 cm 

Tags

CCSS.7.G.B.4

The _____________ of a circle is two times the radius. 

• chord
• diameter
• circumference 

If the circumference of a circle is 36 cm, what is the diameter?

• 12 cm
• 6 cm
• 4 cm

What is the area of a circle,if its radius is 2 cm? (use pi=3.14)?

• 6.28 cm²
• 12.56cm²
• 3.14 cm²
• none

Find the area of the circle with a radius of 3 cm below.

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

Tags

CCSS.7.G.B.4

What is the radius?

• 18 ft
• 72 ft
• 38 ft
• 14 ft

Tags

CCSS.7.G.B.4

The distance around a circle; much like the perimeter of a rectangle.

• perimeter
• diameter
• circumference
• radius

If you are given the diameter, how can you calculate the radius

• Multiply the diameter by 2
• Divide the diameter by 2
• add the diameter plus 2

Tags

CCSS.7.G.B.4

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Tags

CCSS.7.G.B.4