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06-07-2019
Mathematics

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What is the measure of AC?

What is the measure of AC class=

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sqdancefan sqdancefan

06-07-2019

Answer:

AC = 26

Step-by-step explanation:

AD = DC . . . . . .these segments are marked congruent

8x-1 = 6x+9 . . . substitute the given expressions

2x = 10 . . . . . add 1-6x

x = 5

__

AC = 2·AB = 2(3x-2) = 2(3·5-2) . . . . substitute into expression for AB

AC = 26

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