The term agility as a physical fitness skillis, is best described as the ability to A. Keep an upright posture while standing or moving effectively
B. Combine the use of the senses and body parts
C. Quickly change and control body position and movements
D. Use strength with speed ​

it's C.

if you watch Avatar: The Last Airbender TV SERIES (not the creepy movie), it's the characteristic that Master Piandao complimented Sokka *wink*

a, b, c - sides of a triangle

a + b > c

a + c > b

b + c > a

we have a = 5m and b = 11m. substitute:

5 + 11 > c

16 > c → c < 16

5 + c > 11         subtract 5 from both sides

c > 6

11 + c > 5         subtract 11 from both sides

c > -6

c < 16 and c > 6 and c > -6

thereofre your answer is 6m < c < 16m

you need to provide the