2D Shapes

Front

What is a 2D shape?

Back

A shape that has two dimensions: length and width, but no depth.

Front

What is a line of symmetry?

Back

A line that divides a shape into two identical parts that are mirror images of each other.

Front

How many sides does a triangle have?

Back

A triangle has 3 sides.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides that are the same length.

Front

What is a scalene triangle?

Back

A triangle where all three sides are of different lengths.

Front

What is an obtuse triangle?

Back

A triangle that has one angle greater than 90 degrees.

Front

What is an acute triangle?

Back

A triangle where all three angles are less than 90 degrees.

Front

What is a right triangle?

Back

A triangle that has one angle equal to 90 degrees.

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 quadrilateral?

Back

A 2D shape that has four sides.