16-06-2021
Mathematics

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What is the length of AC?

Geometry, see attachment.

What is the length of ACGeometry see attachment class=

Respuesta :

cityuongbi cityuongbi

16-06-2021

Answer:

D.144

Step-by-step explanation:

[tex]\frac{7}{x} = \frac{84}{156-x}[/tex]

⇔ 84x = -7x + 1092

⇔ 91x = 1092

⇔ x = 12

⇒ AC = 156 - x = 156 - 12 = 144

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