1D, 2D, and 3D Shapes Flashcards

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Questions and Answers

What is a 1D shape? Draw an example in your book.

A 1D shape is a shape that has only one dimension like a straight line.

What is a 2D shape? Draw an example in your book.

A 2D shape is a shape that has two dimensions like a triangle or a circle.

What is a 3D shape? Draw an example in your book.

A 3D shape is a shape that has three dimensions like a cube or a cylinder.

What is a quadrilateral?

<p>A shape that has 4 sides.</p> Signup and view all the answers

Name as many quadrilaterals as you can think of.

<p>Square, Rectangle, Trapezium, Kite, Rhombus, Parallelogram.</p> Signup and view all the answers

What is a triangle?

<p>A shape that has 3 sides.</p> Signup and view all the answers

What are the four different types of triangles?

<p>Equilateral, Isosceles, Scalene, Right Angle.</p> Signup and view all the answers

What is a pentagon?

<p>A shape that has 5 sides.</p> Signup and view all the answers

What is a hexagon?

<p>A shape that has 6 sides.</p> Signup and view all the answers

What is a heptagon?

<p>A shape that has 7 sides.</p> Signup and view all the answers

What is an octagon and what does this name remind you of?

<p>An eight sided shape, like an octopus that has eight arms.</p> Signup and view all the answers

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Study Notes

1D, 2D, and 3D Shapes

  • 1D shapes possess only one dimension, exemplified by a straight line.
  • 2D shapes have two dimensions, including figures like triangles and circles.
  • 3D shapes feature three dimensions, with examples such as cubes and cylinders.

Quadrilaterals

  • Quadrilaterals are defined as shapes with four sides.
  • Common types of quadrilaterals include:
    • Square
    • Rectangle
    • Trapezium
    • Kite
    • Rhombus
    • Parallelogram

Triangles

  • Triangles are characterized by having three sides.
  • Types of triangles based on side length and angles include:
    • Equilateral (all sides equal)
    • Isosceles (two sides equal)
    • Scalene (no sides equal)
    • Right Angle (one angle at 90 degrees)

Other Polygons

  • Pentagons are five-sided shapes.
  • Hexagons consist of six sides.
  • Heptagons are defined as seven-sided shapes.
  • Octagons have eight sides and can be associated with the term "octopus" due to eight arms.

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