right angles

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

How many degrees are in a straight angle?

Back

A straight angle measures 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.

Tags

CCSS.8.G.A.5

Front

What type of triangle has all angles measuring less than 90 degrees?

Back

An acute triangle.

Tags

CCSS.4.G.A.2

Front

What is the relationship between complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What is the relationship between supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

Front

How do you identify a right angle using a protractor?

Back

A right angle can be identified using a protractor by measuring 90 degrees.

Tags

CCSS.4.MD.C.6