Names of Shapes in English (With Pictures & Easy Examples)

Names of Shapes in English – Quick List

Below is a quick list of common shapes in English, grouped by type to help ESL learners learn and remember more easily.

Basic 2D Shapes

• Circle

• Square

• Triangle

• Rectangle

• Oval

Polygon Shapes

• Pentagon

• Hexagon

• Heptagon

• Octagon

• Nonagon

• Decagon

• Trapezoid

• Rhombus (Diamond Shape)

Symbol Shapes

• Star

• Heart

• Arrow

• Cross

• Crescent

• Ring

3D Shapes

• Cube

• Cylinder

• Sphere

Basic 2D Shapes

2D shapes are flat shapes. They have length and width, but no depth.

Circle

A circle is round and has no corners.

• The wheels of the car are circles.

Square

A square has four equal sides and four corners.

• The floor tiles are squares.

Triangle

A triangle has three sides and three corners.

• The roof of the house is a triangle.

Rectangle

A rectangle has four sides. The opposite sides are equal.

• The door is a rectangle.

Oval

An oval looks like a stretched circle.

• An egg has an oval shape.

Polygon Shapes

A polygon is a shape with straight sides and corners.

Pentagon

A pentagon has five sides.

• The building has a pentagon shape.

Hexagon

A hexagon has six sides.

• Honeycombs are made of hexagons.

Heptagon

A heptagon has seven sides.

• The design uses a heptagon.

Octagon

An octagon has eight sides.

• A stop sign is an octagon.

Nonagon

A nonagon has nine sides.

• The logo looks like a nonagon.

Decagon

A decagon has ten sides.

• The sign has a decagon shape.

Trapezoid

A trapezoid has one pair of parallel sides.

• The roof looks like a trapezoid.

Rhombus (Diamond Shape)

A rhombus looks like a diamond and has four equal sides.

• The kite is shaped like a rhombus.

Ellipse

An ellipse is similar to an oval.

• The running track is an ellipse.

Semi-circle

A semi-circle is half of a circle.

• The window is a semi-circle.

Common Symbol Shapes

These shapes are often used as symbols or signs in daily life.

Star

A star has pointed corners.

• The flag has a star on it.

Heart

A heart is a symbol of love.

• She drew a heart on the card.

Arrow

An arrow shows direction.

• Follow the arrow to the exit.

Cross

A cross has one vertical line and one horizontal line.

• The church has a cross on top.

Crescent

A crescent looks like part of the moon.

• The moon is a crescent tonight.

Ring

A ring is a circle with a hole in the middle.

• He wears a gold ring.

3D Shapes in English (Solid Shapes)

3D shapes have length, width, and depth.

Cube

A cube has six square faces.

• A dice is a cube.

Cylinder

A cylinder has two round ends and one curved side.

• A soda can is a cylinder.

Sphere

A sphere is completely round.

• A ball is a sphere.

Common Mistakes When Talking About Shapes

English learners often make small mistakes when learning shape names. Here are some common mistakes to avoid:

Diamond vs Rhombus

In everyday English, people often say diamond shape. In geometry, the correct term is rhombus.

• The kite is shaped like a rhombus.

Oval vs Ellipse

• Oval is more common in daily English.

 Example: An egg has an oval shape.

• Ellipse is more formal and often used in math or science.

Math Symbols Are Not Shapes

Symbols like plus (+), minus (−), and multiplication (×) are math symbols, not shapes.

Shapes and Real-Life Examples

Shapes are easy to learn when you connect them to real-life objects.

How to Describe Shapes in English

You can describe shapes by talking about:

• The number of sides

• The number of corners

• Whether the shape is flat (2D) or solid (3D)

Useful sentences:

• It has four equal sides.

• It is round and has no corners.

• It is a flat shape.

• It is a 3D shape.

Frequently Asked Questions About Shapes

1. What is the difference between 2D and 3D shapes?

2D shapes are flat. 3D shapes have length, width, and depth.

2. Is a diamond the same as a rhombus?

In geometry, a diamond shape is called a rhombus.

3. Are math symbols considered shapes?

No. Math symbols are not shapes.

4. What are the most common shapes in English?

Circle, square, triangle, and rectangle.