What are the reasons to 2. 3. and 4. ?

2) Consecutive angles theorem

3) Vertical angles theorem

4) Substitution (Substituting angle one for angle five since they are congruent or equal)

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice