Measuring Angles

Front

What is the measure of a right angle?

Back

90 degrees.

Tags

CCSS.4.G.A.1

Front

What do you call the point where two or more lines meet?

Back

A vertex.

Tags

CCSS.HSG.CO.A.1

Front

What type of angle is less than 90 degrees?

Back

Acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is exactly 90 degrees?

Back

Right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Tags

CCSS.4.G.A.1

Front

What is the measure of a straight angle?

Back

180 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

If two angles add up to 90 degrees, what are they called?

Back

Complementary angles.

Tags

CCSS.7.G.B.5

Front

If two angles add up to 180 degrees, what are they called?

Back

Supplementary angles.

Tags

CCSS.7.G.B.5

Front

What is the term for lines that never meet?

Back

Parallel lines.

Tags

CCSS.HSG.CO.A.1

Front

What do you call an angle that measures exactly 180 degrees?

Back

Straight angle.

Tags

CCSS.4.G.A.1