IM Math Unit 7 Review

Front

What is an intersecting line?

Back

An intersecting line is a line that crosses another line at a point.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 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 perpendicular line?

Back

A perpendicular line is a line that intersects another line at a right angle (90 degrees).

Front

What is a parallel line?

Back

A parallel line is a line that runs alongside another line and never intersects it.

Front

What is an acute angle?

Back

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

Front

How do you identify an obtuse angle?

Back

An obtuse angle can be identified as being larger than a right angle (90 degrees) but smaller than a straight angle (180 degrees).

Front

What is the measurement of a right angle?

Back

A right angle measures exactly 90 degrees.

Front

What happens when two lines are parallel?

Back

When two lines are parallel, they never meet or intersect, no matter how far they are extended.

Front

What is the sum of angles in a triangle?

Back

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