Tell whether the angles are complementary or supplementary. Then find the value of x

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Step-by-step explanation: i don't know how to find the value of x when i have nothing to work with

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

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