GEO 1.1 Extra Credit #1

What is the measure of the unknown angle?

(a)  

What is the measure of the unknown angle?

• 106 degrees

• 107 degrees

• 108 degrees

• 109 degrees

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

If m∠1 = 30°, then m∠3 = 

(a)  

Find the missing angle.  Find x.

(a)  

What are supplementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect

A point where 2 rays meet to form an angle.

• vertex
• angle
• arc
• corner

Find the value of x.

(a)  

Find the m∠3

• 56
• 124
• 180
• 66