Independent Practice Types of Angles Introduction

Front

What is an acute angle?

Back

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

Front

What is a right angle?

Back

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

Front

What is an obtuse angle?

Back

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

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

How can you identify an acute angle visually?

Back

An acute angle looks sharp and is smaller than a right angle.

Front

How can you identify a right angle visually?

Back

A right angle forms a perfect corner, like the corner of a square.

Front

How can you identify an obtuse angle visually?

Back

An obtuse angle looks wider than a right angle.

Front

How can you identify a straight angle visually?

Back

A straight angle looks like a straight line.

Front

What is the sum of angles in a triangle?

Back

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

Front

What type of angle is 45 degrees?

Back

45 degrees is an acute angle.