youngchapo813p8d9u1
17.12.2020 •
Mathematics
Why are the triangles congruent?
A clockwise rotation of 90° and a reflection across
the x-axis maps ZR to ZR', ZS to ZS' and ZT to
ZT.
3
2
1 R
A translation up 2 and to the right 2 maps RS to
R'S'. ZS to ZS', and ST to S'T'.
-2 -1
S
3 4X
1
2
- 1
pi
T
2
A reflection across the x-axis maps ZR to ZR', ZS
to ZS', and ZT to ZT'.
-3
-4
A counterclockwise rotation of 180° maps RS to
R'S, ZS to ZS and ST to S'T'.
Solved
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Ответ:
a) + x direction, b)
.
Step-by-step explanation:
a) According to the Cartesian plane, an eastward translation implies a movement in the +x direction.
b)