A radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. Set up the formula for the area of a circle. The formula is A = π r 2 it equals the area of the circle, and r equals the radius.
Solve for the radius.
Plug the area into the formula.
Divide the area by.
Take the square root.
Mean is the average. So you add up all the numbers and divide by how many numbers there were.
Mode is the number that occurred the most.
Median is the number that is in the middle when you list the numbers from least to greatest or greatest to least.
Range is calculated when you subtract the biggest number in the group by the smallest number.
Answer:
Mean: 36.5
Standard Deviation: 1.44
Step-by-step explanation:
I got it right on Khan.
Step-by-step explanation:
1. >
2. <
3. >
4. =
5. >
6. <
7. =
8. >
9. ? I can't see that one
10. <
Tangent = Opposite÷ Adjacent
So the answer is D) 2
