Duff is a breakdancer whose signature move is spinning around on his head while his body is upside down. Which axis is Duff rotating? sagittal transverse axis vertical axis anteroposterior axis frontal horizontal axis

vertical axis

Explanation:

Duff is a breakdancer whose signature move is spinning around on his head while his body is upside down. It means that the center of axis lies at the center of head. it means that Duff is rotating at vertical axis.

Hence, the correct option is (b) "vertical axis"

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y