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Congreuncy and Similarites
by J Ffryteo
# Congreuncy and Similarites

## The corresponing vertices
must be named in correct
order

### E.g BCA is congruent to QRP

## The hypotenuse and a side of
right-angled triangles are equal
(RHS)

## Two angles and a
corresponding side
are equal
(ASA,AAS,SAA)

## All three
correspnding
sides are
equal (SSS)

## Two sides and
included angle
are equal (SAS)

## Two figures are similar if

### The corresponding angles are equal
and

## When 2 figures are
congruent, they are also
similar

### However the converse is not true

## Similarity and Enlargement

### An enlargement is a
transformation that changes the
size of a figure

### If the scale factor is greater
than 1, then the image is
enlarged

### If the scale factor is between o
and 1, then the image is
reduced

## Areas of smilar figures

### A1 and A2 denotes the areas of 2 similar
figures and l1 and l2 denote their
corresponding lengths

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the corresponding sides are in the same ratio, New node