Geometry

Complementary angles

• add to 90 degrees.
• add to 180 degrees.
• make a straight angle.

Tags

CCSS.7.G.B.5

Supplementary angles

• add to 90 degrees.
• add to 180 degrees.
• make a right angle.

Tags

CCSS.7.G.B.5

Right angles

• equal 180 degrees.
• equal 90 degrees.

Tags

CCSS.4.G.A.1

Straight angles 

• equal 180 degrees.
• equal 90 degree.

Tags

CCSS.4.G.A.1

Vertical angles 

• are similar in size and shape.
• are straight angles.
• are congruent (or equal) in size and shape.

Tags

CCSS.7.G.B.5

Perpendicular lines 

• are complementary,
• create 2, 90 degree angles.
• are vertical.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

A triangle has sides measures 7, 7, 14. Does this form a triangle?

• No triangle
• One unique triangle
• More than one triangle

Tags

CCSS.7.G.A.2

A triangle has side lengths of 12, 7, 9. Does it form triangle?

• No triangle
• One unique triangle
• More than one triangle

Tags

CCSS.7.G.A.2

A triangle has angle measures of 80, 40 , and 60 degrees. Does it form a triangle?

• No triangle b/c it doesn't add to 180 degrees
• One unique triangle
•  More than one triangle b/c it adds to 180 degrees and could have longer or shorter sides

Tags

CCSS.7.G.A.2

Find the measure of angle A

• 30

• 8.37

• 50

Tags

CCSS.7.G.B.5