Geometry Vocab

Geometry Vocab

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The measure of an angle is the size of it

Supplementary Angles

 $When\ the\ sum\ of\ two\ angles\ is\ 180\degree$ 

If the measures of two angles add up to be 180 degrees the angle is supplementary 

Multiple Choice

How many degrees is a supplementary angle?

• 175

• 75

• 350

• 180

Adjacent and Complementary Angles

Two angles that share a common (same) side and vertex (corner) are adjacent

When the sum (addition) of two angles is

 $90\degree$  (read as ninety degrees) 
the angle is complementary

Multiple Choice

What is an adjacent angle?

• two angles that share a side and vertex (corner)

• two angles that share a side

• two angles who have the same point

Multiple Choice

Complementary angles add up to how many degrees?

• 75

• 80

• 90

• 45

Vertical Angles

Two angles that have the same measure

Multiple Select

True or False? Vertical angles have different measures

• False, vertical angles have the same measures

• True, vertical angles have do not have the same measure