contestada

Which reflection rule, if any, can be used to prove that rectangle A(-8, -3), B(-2, -3), C(-2, -6), D(-8, -6) and rectangle A'(8, -3), B'(2, -3), C'(2, -6), D'(8, -6) are congruent?
A) (x, y) → (-x, y)
B) (x, y) → (x, -y)
C) (x, y) → (-x, -y)
D) The rectangles are not congruent.

Respuesta :

choixongdong
rectangle A(-8, -3), B(-2, -3), C(-2, -6), D(-8, -6)
and rectangle A'(8, -3), B'(2, -3), C'(2, -6), D'(8, -6)

x is opposite and y stayed the same

answer
A) (x, y) → (-x, y) 

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