The Area of a Circle is 81π Square Units. What is the Radius of This Circle
A 9 units
B 9.2 units
C 9,1 units
D 9,3 units
V●ω●VV●ω●VV●ω●V
A 9 units
B 9.2 units
C 9,1 units
D 9,3 units
V●ω●VV●ω●VV●ω●V
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
A
Step-by-step explanation:
Formula for finding the area of a circle:
A=r²π
81π=r²π
Eliminate "π"
81=r²
Get the square root of both sides
9=r