2D Shapes

Front

What is a 2D shape?

Back

A 2D shape is a flat geometric figure that has two dimensions: length and width, but no depth.

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Front

What are the properties of a square?

Back

A square has four equal sides, four right angles, and its opposite sides are parallel.

Tags

CCSS.3.G.A.1

Front

What defines a rectangle?

Back

A rectangle is a 2D shape with four sides, where opposite sides are equal in length and all angles are right angles.

Tags

CCSS.5.G.B.4

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

Front

What are the properties of a triangle?

Back

A triangle has three sides, three angles, and the sum of its interior angles is always 180 degrees.

Tags

CCSS.HSG.CO.C.10

Front

What is the difference between an equilateral triangle and an isosceles triangle?

Back

An equilateral triangle has all three sides of equal length, while an isosceles triangle has at least two sides of equal length.

Tags

CCSS.4.G.A.2

Front

What is the formula for calculating the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = length × width).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you calculate the perimeter of a square?

Back

The perimeter of a square is calculated by adding the lengths of all four sides or by multiplying one side length by 4 (Perimeter = 4 × side length).

Tags

CCSS.4.MD.A.3

Front

What is a polygon?

Back

A polygon is a closed 2D shape with straight sides. Examples include triangles, quadrilaterals, pentagons, etc.

Tags

CCSS.2.G.A.1

Front

What is the sum of the interior angles of a triangle?

Back

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

Tags

CCSS.8.G.A.5