Congruent and similar shapes - Maths Part 3 (Congruent shapes)

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If two shapes are congruent, they are identical in both shape and size.

Remember: Shapes can be congruent even if one of them has been rotated or reflected.

image: various shapes labelled with letters (http://www.bbc.co.uk/schools/gcsebitesize/maths/images/shape_6.gif)

Question 1: Which of the shapes in the illustration above are congruent?

Answer 1: Did you get the following pairs?

A and

D and I

E and J

C and H

Remember: Shapes can be congruent even if one of them has been rotated (as in A and G) or reflected (as in C and H).

The symbol =- means 'is congruent to'.

Two triangles are congruent if one of the following conditions applies:

1. Three sides are the same.

The

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