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10.01 Congruence transformations

Adaptive
Worksheet

Interactive practice questions

Given that $ABCDEFGH\equiv MNOPIJKL$ABCDEFGHMNOPIJKL what side of $MNOPIJKL$MNOPIJKL corresponds to $DE$DE?

Two congruent shapes have each of their vertices labeled. The shape $ABCDEFGH$ABCDEFGH is on the left and resembles a composite shape composed of a smaller rectangle that sits on the left side of a larger rectangle. Starting from the top-left vertex of the smaller rectangle of the composite shape $ABCDEFGH$ABCDEFGH, and moving clockwise, the vertices are labeled $A$A, $B$B, $C$C, $D$D, $E$E, $F$F, $G$G, and $H$H, respectively. The shape $ABCDEFGH$ABCDEFGH is rotated to form the shape $MNOPIJKL$MNOPIJKL such that vertex $A$A corresponds to vertex $M$M. Starting from vertex $M$M and moving clockwise, the vertices of $MNOPIJKL$MNOPIJKL are labeled $M$M, $N$N, $O$O, $P$P, $I$I, $J$J, $K$K, and $L$L, respectively.

$IJ$IJ

A

$IP$IP

B

$KL$KL

C

$LM$LM

D

$MN$MN

E

$JK$JK

F
Easy
< 1 min

Given that $ABCDEF\equiv GHIJKL$ABCDEFGHIJKL, what side of $GHIJKL$GHIJKL corresponds to $CD$CD?

Easy
< 1 min

Given that $\triangle QPO\equiv\triangle CBA$QPOCBA, which angle of $\triangle QPO$QPO corresponds to $\angle BCA$BCA?

Medium
< 1 min

Given that $\triangle BAC\equiv\triangle FED$BACFED, which angle of $\triangle FED$FED corresponds to $\angle ABC$ABC?

Medium
< 1 min
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Outcomes

HSG.CO.A.2

Represent transformations in the plane using, e.g. Transparencies and geometry software; describe transformations as functions that take points in the plane as inputs and give other points as outputs. Compare transformations that preserve distance and angle to those that do not (e.g. Translation versus horizontal stretch).

HSG.CO.B.6

Use geometric descriptions of rigid motions to transform figures and to predict the effect of a given rigid motion on a given figure; given two figures, use the definition of congruence in terms of rigid motions to decide if they are congruent.

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