# 2DShapes

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Entertainment

Published on June 16, 2007

Author: Me_I

Source: authorstream.com

2D ShapesWelcome to the 2D shape tutorial.You will learn the names and properties of 2D many shapes :  2D Shapes Welcome to the 2D shape tutorial. You will learn the names and properties of 2D many shapes Click on a star to begin learning. Names of 2D shapes Properties of 2D shapes Guess my shape game. Slide2:  2D shapes are all around us. Here are some 3 sided shapes you might recognise. Naming 2D Shapes There are 4 different types of triangle for you to look out for… Equilateral triangles have 3 equal length sides and 3 equal angles. Isosceles triangles have 2 equal length sides and 2 equal angles. Right angled triangles have a right angle in them. Scalene triangles have no equal length sides and no equal angles Equilateral Isosceles Right Angled Scalene Slide3:  Quadrilaterals are 4 sided shapes How many of these quadrilaterals can you name? Click to find the answers when you are ready Slide4:  Parallelogram Trapezium Kite Rectangle Rhombus Square Slide5:  Pentagon Octagon Hexagon Pentagons have 5 sides Hexagons have 6 sides Octagons have 8 sides These shapes are all regular because all of the sides and angles are equal. Slide6:  Irregular 2D shapes have unequal lengths and angles Can you name these irregular shapes? Click to find the answers when you are ready Slide7:  Back to tutorial homepage Irregular Pentagon Irregular Hexagon Irregular Octagon Irregular Hexagon Properties of 2D Shapes:  Back to tutorial homepage Properties of 2D Shapes You can describe what 2D shapes look like by using their properties. For example, A rectangle has 4 right angles. A rectangle also has 2 lines of symmetry A rectangle has two sets of parallel lines Parallel lines run in the same direction Now see if you can describe these shapes by filling in the missing properties. You will need to copy this grid into your secret agent handbook.:  Now see if you can describe these shapes by filling in the missing properties. You will need to copy this grid into your secret agent handbook. Click to find the answers when you are ready Properties of 2D Shapes:  Properties of 2D Shapes Back to tutorial homepage Guess my shape!:  Back to tutorial homepage Can you guess the name of the hidden shape? Guess my shape! Rectangle Guess my shape!:  Back to tutorial homepage Can you guess the name of the hidden shape? Guess my shape! Isosceles Triangle Guess my shape!:  Back to tutorial homepage Can you guess the name of the hidden shape? Guess my shape! Irregular Octagon Guess my shape!:  Back to tutorial homepage Can you guess the name of the hidden shape? Guess my shape! Parallelogram Guess my shape!:  Back to tutorial homepage Can you guess the name of the hidden shape? Guess my shape! Scalene Triangle Back to tutorial homepage

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