2 years ago

__ What is the length of AB? A. 6 B. 9 C. 3 D. 12

1 answer:

7 0

$\angle A\cong\angle C\ \text{thereofre the triangle ABC is an isosceles triangle}\\\text{Therefore we have the equation:}\\\\4x=2x+6\ \ \ \ \ |subtract\ 2x\ from\ both\ sides\\2x=6\ \ \ \ \ |divide\ both\ sides\ by\ 2\\\boxed{x=3}\\\\AB=4x\to AB=4\cdot3=12\\\\ANSWER:\ D.\ 12$

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Solving a Direct Variation Problem

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2 years ago

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malfutka [58]

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Not sure if you want it in an equation but here it is: 5+x

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Juli2301 [7.4K]

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