Answer:
Simple, 4*pi*r^2
Step-by-step explanation:
Answer:
I think 120
Step-by-step explanation:
Answer:
second choice
Step-by-step explanation:
Answer:
320 degrees
Step-by-step explanation:
There are 360 degrees in a circle. 360-40=320
Answer:
B. 1/9
Step-by-step explanation:
The positive square root of "x^2 - 4x + 4" is "x - 2". That value is already given to you, 1/3. Just square 1/3 to get 1/9.