Respuesta :

Answer:

[tex]9.9 ~in[/tex]  ✔︎

Step-by-step explanation:

[tex]A=1/2 ~ base * height[/tex]

[tex]49=1/2(x)(c)[/tex]

[tex]98=x^2[/tex]

[tex]x=\sqrt{98}[/tex]

[tex]x=7\sqrt{2}[/tex]

[tex]x=9.9[/tex]

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hope it helps...

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