CCATUBA Common Assessment
Use the information to answer the following question.
Iesha wants t...
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Mathematics, 24.03.2021 18:10 nbunny7208
CCATUBA Common Assessment
Use the information to answer the following question.
Iesha wants to prove that the measures of the 3 angles in a triangle always have a sum of 180°. She decided to prove this conjecture
using rigid motion. She began with triangle ABC shown in Figure 1.
O
D
C
B
Figure 1
Figure 2
Which statement BEST describes the rigid motion she used in Figure 2 to support her proof?
O A Reflect triangle ABC across AB and across AC
OB Reflect triangle ABC across AB and then translate the image along directed line segment DE
oc. Rotate triangle ABC 180° about the midpoint of AB and about the midpoint of AC.
OD. Translate triangle ABC along directed line segment AD and along directed line segment AE
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