Answer:
21
Step-by-step explanation:
You were close to de answer but you rounded in a wrong way
If we calculate [tex]\sqrt{16^{2} + 14^{2}}[/tex] we get 21.2602916255
We need to round to the nearest whole number, it means that we have we only have two options: 21 or 22
We need to remember the rounding rules:
We see that 1 is followed by 2, it means that we have to round the number down, so our answer is 21