Answer:
450 m²
Step-by-step explanation:
Area of a circle: 
r is radius and we need to divide the diameter value by 2 to obtain the radius
= 24 / 2 = 12m
Area of a circle = 
= 452.57
≈ 450 m²
Answer: Fatigue level
Step-by-step explanation: Dependent variable refers to the measured or observed variable in an experimental study. The dependent variable is the variable observed or studied in other to make assessment of effects which occurs by varying the independent variable. In the study described above, the self reported fatigue level is measured or recorded while subjecting the participant to varying conditions of noise; white noise and normal noise level, which are the independent variables. The dependent variable, fatigue level is the variable being measured in the experiment by subjecting the participants to the two different traet ment conditions which are the independent variables.
Answer:
224 student ride the bus to school each day.
Step-by-step explanation:
Work
÷

Keep the first fraction, change the sign, flip the second fraction.

x

=
Answer
or
100
I think it’s 57 bc it is a 90* angle and a 33 so that minus 180