Question

너는 키가 누구하고 같아요? Expressions of comparison and contrast require the use of a particle conveying the meaning of 'with' or 'and'.All three principles -과/와, -하고 and -(이)랑 mean 'and' or 'with'. -하고 and -(이)랑 are viewed as spoken forms and tend to be used in casual situations. -(이)랑 sounds the most informal and should be avoided in more polite speech.-과/와 is a formal written form occurring in formal structured speech

Accepted Answer

Who are you as tall as?

Front	너는 키가 누구하고 같아요?
Back	Who are you as tall as?
Notes	Expressions of comparison and contrast require the use of a particle conveying the meaning of 'with' or 'and'. All three principles -과/와, -하고 and -(이)랑 mean 'and' or 'with'. -하고 and -(이)랑 are viewed as spoken forms and tend to be used in casual situations. -(이)랑 sounds the most informal and should be avoided in more polite speech. -과/와 is a formal written form occurring in formal structured speech

이)랑 하고 Formal 너는 키가 누구하고 같아요 Tall