Answer :
The equation to find it is [tex] \sqrt{c^{2} - b^{2}[/tex]
Then you plug in the numbers; [tex] \sqrt{21^{2} - 29^{2}[/tex] ; then solve.
Your answer is 20
Then you plug in the numbers; [tex] \sqrt{21^{2} - 29^{2}[/tex] ; then solve.
Your answer is 20
