Review Dec 11, 2024

Front

What is a right angle?

Back

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

Front

What is an obtuse triangle?

Back

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

Front

What are parallel lines?

Back

Parallel lines are lines that run in the same direction and never meet.

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What is symmetry?

Back

Symmetry is when one shape becomes exactly like another if you flip, slide, or turn it.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

What is an acute triangle?

Back

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

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What is the sum of the angles in a triangle?

Back

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

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a shape into two identical parts.