Respuesta :

12Av13
We know that diagonal of rhombus bisects it in equal half.

So,

6x-9 = 2x+39
6x-2x = 39+9
4x = 48
x = 12

So,
Answer will be, x = 12
Hardy007

that's wrong the answer is x=18.75
6x-9+2x+39=180
6x+2x=8x
-9+39=30
8x+30=180
-30. -30
=150
8x/8 =150/8
answer is 18.75

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