Respuesta :
the answer is around 16.65
you can get help from Pythagoras theorem :
[tex] {b}^{2} = {21}^{2} - {14}^{2} \\ {b}^{2} = 441 - 196 = 245 \\ b = \sqrt{245} = 16.65[/tex]
good luck
you can get help from Pythagoras theorem :
[tex] {b}^{2} = {21}^{2} - {14}^{2} \\ {b}^{2} = 441 - 196 = 245 \\ b = \sqrt{245} = 16.65[/tex]
good luck