7.9B/7.9C Circles Test Review

The diameter is two times the radius

• True
• False

Tags

CCSS.4.OA.A.1

CCSS.4.OA.A.2

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Tags

CCSS.4.G.A.1

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Tags

CCSS.4.G.A.1

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm

Tags

CCSS.7.G.B.4

What is the circumference rounded to the nearest whole number?

• 50 cm

• 96 cm

• 24 cm

• 18 cm

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

Find the area of the circle

• 43.96 cm²

• 153.86 cm²

• 87.82 cm²

• 307.72 cm²

What is the area of this circle?

• 82.13 m²

• 78.54 m²

• 314.16 m²

• 170.12 m²

The radius of a circle is 3 cm.  What is the circle's diameter?

• 9.4 cm
• 6 cm
• 18.8 cm

A circle's diameter is 13 cm.  What is the approximate circumference?  

• 6.5 cm
• 13 cm
• 40.8 cm 
• 20.4 cm