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  • 25-01-2021
  • Mathematics
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If the coordinates of A are (1, 1) and the midpoint of AB is (0,0.5), then the coordinates of B are -

Respuesta :

mteresacarvalho4 mteresacarvalho4
  • 25-01-2021

Answer:

B (-1, 0)

Step-by-step explanation:

( in portuguese )

o ponto médio é calculado pela soma das abcissas a dividir por 2 e pela somas das ordenadas a dividir por 2, então sendo que se sabe o valor final, e um ponto fica :

(1+x)÷2 = 0 ⇔ x = -1

(1 + y) ÷ 2 = 1/2⇔ y=0

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