The hypotenuse= 14.21
11x11=121
9x9=81
121+81=202
The square root of 202 is approximately 14.21
Answer:
C and A
Explanation:
Negative feedback occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.