Respuesta :

lilahdelavega8
71+71=142
180-142=38
2+6x=38
6x=36
x=6
Hellomorning8

Answer:

x = 6

Step-by-step explanation:

Since the triangles are isosceles the two bottom angles are equal. So, 71 + 71 + 2 + 6x would help us find x. Now to solve it.

71 + 71 + 2 + 6x = 180

142 + 2 + 6x = 180

144 + 6x = 180

6x = 180 -144

6x/6 = 36/6

x = 6

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