Respuesta :

Given that the two triangles are similar:
[tex] \frac{7}{28} [/tex] =  [tex] \frac{25}{6x + 28} [/tex]
[tex] \frac{1}{4} [/tex] = [tex] \frac{25}{6x + 28} [/tex]
6x + 28 = 4 x 25
6x + 28 = 100
6x = 100 - 28
6x = 72
x = 12

Kindyl
X=12 and the number that makes the triangle larger is 4

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