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  • 21-05-2021
  • Mathematics
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Help me please please please

Help me please please please class=

Respuesta :

surjithayer10otahza surjithayer10otahza
  • 22-05-2021

Answer:

Step-by-step explanation:

let coordinates of D are (x,y)

mid point of AC=midpoint of BD

so{ (-3+4)/2,(1+6)/2}={(x+(-1))/2,(y+4)/2}

(1/2,7/2)={(x-1)/2,(y+4)/2}

(x-1)/2=1/2

x-1=1

x=1+1=2

(y+4)/2=7/2

y+4=7

y=7-4=3

so D is (2,3)

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