Into Two Parts of Circles

Noelle divided three circles as shown. Which circle has the largest fractional part?

• The circle divided into eighths because it has the most fractional parts.

• The circle divided into fourths because it has four equal parts.

• The circle divided into halves because it has the fewest fractional parts.

In which of these figures is half the circle shaded?

• only figure 1

• only figures 1 and 2

• only figures 1 and 3

• all- figures 1, 2 and 3

The circle here is 1/ 4 shaded. Which of the following circles is also 1/ 4 shaded?

• 
• 
• 
• 

What fraction of the circle is NOT shaded?

• ⅓

• ⅔

• ¼

It is a line segment passing through the center of the circle cutting it into two equal halves. What is it?

• tangent

• secant

• radius

• diameter

What is point A called?

• Circumference

• Diameter

• Radius

• Center

What is the line that goes from the center of a circle to any point on the circle?

• Diameter

• Circumference

• Chord

• Radius

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

A diameter is also a chord. 

• True

• False 

A line segment connecting any two points on a circle is called a _____________. 

• diameter

• chord

• radius

• circumference