daviodel daviodel

03-02-2020
Mathematics

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Help please worth 30

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beingteenowfmao beingteenowfmao

03-02-2020

Answer:

A) AA postulate; 18

Step-by-step explanation:

Due to the similar triangles, we can set up the proportion and solve for x

8/(8+4) = 12/x

8/12 = 12/x

8*x = 12*12 ... cross multiply

8x = 144

x = 144/8

x = 18

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