JoshuaG2
JoshuaG2
09-02-2017
Mathematics
contestada
I don't know what to do....can someone help me?
Respuesta :
samszy2805
samszy2805
09-02-2017
by similar triangles
[tex] \frac{3}{x} [/tex]=[tex] \frac{x}{27} [/tex]
x^2 = 3 × 27
x^2 = 81
∴x = 9
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