Angle Equations & Circumference

What is the measure of angle A?

• 30^o

• 80^o

• 75^o

• 60^o

What is the measure of ∠CAD?

• 30^o

• 90^o

• 60^o

• 45^o

Knowing what you know about vertical angles,

find the value of x?

• 12
• 7
• 6
• 9

What are vertical angles?

• Angles that are adjacent/next to each other

• Angles that add up to 180°

• Angles that are across the vertex from each other and are congruent (equal)

• Angles that add up to 90°

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Name an angle in the figure that is adjacent to angle 2.

• ∠4

• ∠5

• ∠6

• ∠1

What is the value of "a"?

• 45
• 55
• 35
• 65

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Which protractor shows 125°? 

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