Respuesta :

10 ft because using the Pythagorean theorem it would be 6 squared plus 8 squared = c squared which equals 36 plus 64 = c squared which would be 10.
Pythagorean theorem:
a^2+b^2=c^2
6^2+8^2=c^2
36+64=c^2
100=c^2
10=c
The answer is D 10 feet