Lines and Angles

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet and are always the same distance apart.

Tags

CCSS.HSG.CO.A.1

Front

Which lines are parallel?

Back

Lines that do not intersect and maintain a constant distance apart.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is a ray in geometry?

Back

A ray is a line that has one endpoint and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What type of triangle has perpendicular sides?

Back

A right triangle has one angle that is exactly 90 degrees, making its sides perpendicular.

Tags

CCSS.4.G.A.2

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle greater than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is a straight angle?

Back

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

Tags

CCSS.4.G.A.1

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

What are intersecting lines?

Back

Intersecting lines are lines that cross each other at one point.

Tags

CCSS.HSG.CO.A.1