Review for Quiz Geo Lessons 1 - 4 Circles

Which of the following is the ratio for pi?

• $\frac{circumference}{diameter\ }$

• $\frac{radius}{diameter}$

• $\frac{diameter}{perimeter}$

• $\frac{diameter\ }{radius}$

Fill in the blank.

The radius is ______________ the diameter.

• half

• third

• triple

• double

Fill in the blank.

The diameter is _________ the radius.

• double

• triple

• half

• a third

A segment connecting two points on a circle that passes through the center.

• diameter
• radius
• secant
• tangent

What is the radius?

• 12 cm

• 6 cm

• 3 cm

• 24 cm

Line segment PQ is which of the following?

• Diameter

• Chord

• Radius

• pi

Which line segment in the diagram is the diameter?

• Line segment RO

• Line segment PQ

• Line segment ON

• Line segment MN

What is the AREA of the circle in terms of  $\pi$  ?   

• $3.5\ \pi\ cm^2$

• $7\ \pi\ cm^2$

• $49\ \pi\ cm^2$

• $14\ \pi\ cm^2$

What is the CIRCUMFERENCE rounded to the nearest hundredths?

• 15.71 cm

• 78.54 cm

• 7.85 cm

• 31.42 cm

What is the AREA rounded to the nearest hundreths?

• $12.57\ ft^2$

• $25.13\ ft^2$

• $50.27\ ft^2$

• $6.28\ ft^2$