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10-06-2019
Mathematics

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What is the length of AC?

What is the length of AC class=

Respuesta :

choixongdong choixongdong

10-06-2019

Answer:

B. 136

Step-by-step explanation:

Δ ABC ≅ ΔEDC

so

AC/AB = CE/ED

(144-x)/51 = x/3

51x = 3(144-x)

51x = 432 - 3x

54x = 432

x = 8

AC = 144 - 8

AC = 136

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