Reviewer (polygon and circle)

Which of the following terms refers to a line that divides something into two equal parts?

• angle

• bisector

• line segment

• ray

Which is a non-convex polygon?

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• 
• 
• 

Which is a non-convex polygon?

• decagon

• heptagon

• hexagon

• triangle

What is the sum of the measures of the interior angles of a tile that is in the shape of a pentagon?

• 540

• 640

• 740

• 840

If the measures of the first two angles of a triangle are 44º and 95º respectively, what is the measure of the third angle?

• 21

• 31

• 41

• 51

 If the measure of each interior angle of a regular polygon is 120º, which of the following is the measure of each exterior angle?

• 30

• 40

• 50

• 60

In naming a circle, how many letters do we use?

• two capital letters

• three capital letters

• the letter of the diameter

• one capital letter indicates the center

Which of the following is described as two or more circles with the same center but different radii?

• concentric

• congruent

• disjoint

Which of the following is NOT an example of an inscribed angle?

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• 
• 
• 

What is the measure of the radius?

• 2.5

• 5

• 10

• 25