Identifying Angles

Front

What is a vertex in geometry?

Back

A vertex is a point where two or more lines meet, forming an angle.

Front

What type of angle measures less than 90 degrees?

Back

An acute angle.

Front

What type of angle measures exactly 90 degrees?

Back

A right angle.

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

An obtuse angle.

Front

What type of angle measures exactly 180 degrees?

Back

A straight angle.

Front

What is the sum of angles in a triangle?

Back

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

Front

If one angle is 30 degrees, what is the measure of its complement?

Back

The complement is 60 degrees.

Front

If one angle is 70 degrees, what is the measure of its supplement?

Back

The supplement is 110 degrees.

Front

What is a right angle?

Back

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

Front

How do you identify an acute angle?

Back

An acute angle is identified by measuring less than 90 degrees.