Answers27.3821055 ECSD Geometry Concepts and Connections CRUnit Test

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21
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.

Question illustration
A
3.5 in.
B
5.3 in.
C
6.4 in.
D
7.8 in.
22
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Each trapezoid in the figure below is congruent to trapezoid ABDC.

Question illustration
A
28 cm
B
32 cm
C
36 cm
D
64 cm
23

The triangles shown are congruent by the SSS congruence theorem.

Question illustration
A
rotation, then reflection, then translation
B
rotation, then translation, then reflection
C
translation, then reflection, then rotation
D
translation, then rotation, then reflection
24

Triangle C D E is translated down and to the right to form triangle C prime D prime E prime.

Question illustration
A
ΔDCE ≅ ΔD'E'C'
B
ΔDCE ≅ ΔD'C'E'
C
ΔEDC ≅ ΔC'D'E'
D
ΔEDC ≅ ΔC'E'D'
25

Triangles H J K and L M N are congruent. Triangle H J K is rotated about point H to form triangle L N M. Triangle L M N is higher than triangle H J K.

Question illustration
A
a reflection across the line containing HK
B
a rotation about point H
C
a reflection across the line containing HJ
D
a rotation about point K

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Unit Test — Unit test Answers — 27.3821055 ECSD…