hatfieldh816 hatfieldh816

15-01-2021
Mathematics

contestada

i need the answer to this asap, plzz

i need the answer to this asap plzz class=

Respuesta :

SkiffMackinaw SkiffMackinaw

15-01-2021

Answer:

[tex]\mathrm{D.\:}\sqrt{126}[/tex]

Step-by-step explanation:

All three triangles in the figure are similar. Therefore, we can set up the following proportion:

[tex]\frac{18}{m}=\frac{m}{7}[/tex]

Cross-multiply to solve:

[tex]m^2=18\cdot 7 = 126, \\\\m=\fbox{$\sqrt{126}$}[/tex].

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