What is the value of a? brainliest for right answer

You can find C with pythagorean theorem. And both triangles should be similar (really congruent but it seems like they just decided to not math properly) so you should be able to divide 4/3 then multiply 4 by the outcome. I may be off though bc I have been out of school for 2 months and can't fully remember.

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step-by-step explanation:

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i know the way

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6^2 or 36

step-by-step explanation:

6000n

6×1000n

6×10^3 n

so we need 6n need to be a perfect cube

so n has to be 6^2 so that 6n is 6^3

what i'm saying is if you let n be 6^2 you have 6^3×10^3 or 60^3 which is a perfect cube