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Question

If ACD is congruent to BDC, then which side of BDC corresponds to side AC?

A
DC
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B
None of the above
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C
BD
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D
CB
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Solution

The correct option is C BD

In the two triangles, ACD and BDC,
side DA = side CB = 4cm
hypotenuse CD = hypotenuse DC = 8cm
CAD = CBD = 90°

ACD BDC by RHS criterion for congruency of triangles
So, BD = AC (corresponding parts of congruent triangles.)

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