Asked by Seth
The vertices of ΔABC are A (1, 5), B (3, 9), and C (5, 3). The vertices of ΔDEF are D (−3, 3), E (−2, 5), and F (−1, 2). Which conclusion is true about the triangles?
The ratio of their corresponding sides is 1:3.
They are congruent by the definition of congruence in terms of rigid motions.
The ratio of their corresponding angles is 1:3.
They are similar by the definition of similarity in terms of a dilation.
The ratio of their corresponding sides is 1:3.
They are congruent by the definition of congruence in terms of rigid motions.
The ratio of their corresponding angles is 1:3.
They are similar by the definition of similarity in terms of a dilation.
Answers
Answered by
oobleck
AB = √20
DE = √5
So, they are not congruent.
If they are similar, the ratio is not 1:3
so I'd guess rigid motions. Check the other sides to be sure.
choice C is just stupid. Similar triangles have the same angles.
DE = √5
So, they are not congruent.
If they are similar, the ratio is not 1:3
so I'd guess rigid motions. Check the other sides to be sure.
choice C is just stupid. Similar triangles have the same angles.
Answered by
arizona tea
Answer choice "D" is correct
They are similar by the definition of similarity in terms of a dilation.
They are similar by the definition of similarity in terms of a dilation.
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