Respuesta :

Answer:

a) x = 6

b) KI = 20

Step-by-step explanation:

We have that:

KI = 2x + 8

And

KI = KJ + JI

In which:

KJ = 8

JI = x + 6

So

KI = KJ + JI

2x + 8 = 8 + x + 6

2x + 8 = x + 14

2x - x = 14 - 8

x = 6

So, the answer for a is x = 6.

For b:

KI = 2x + 8 = 2*6 + 8 = 12 + 8 = 20

So KI = 20

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