Congruence - Boardworks

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© Boardworks Ltd 2011
Congruence
If shapes are identical in
shape and size then they
are congruent.
Congruent shapes can be mapped onto each other using
translations, rotations and reflections.
What makes these triangles congruent?
B
P
C
A
and AC = PR.
R
Q
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AB = PQ, BC = QR,
A = P, B = Q,
and C = R.
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Congruent triangles
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Congruent triangles
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Bridge structures and congruency
Identify the congruent shapes in these bridge designs.
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Reflection
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Reflection
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Translations on a coordinate grid
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Rotations on a coordinate grid
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