Share
Find the area of a circle having a radius of 9 cm
Question
Find the area of a circle having a radius of 9 cm
in progress
0
Mathematics
4 years
2021-07-17T11:12:57+00:00
2021-07-17T11:12:57+00:00 2 Answers
3 views
0
Answers ( )
Answer:
81 pi cm^2
or approximately 254.34 cm^2
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
A = pi (9)^2
A = 81 pi
Using 3.14 as an approximation for pi
A = 81 (3.14)
A =254.34 cm^2
Answer:
81pi cm^2
Step-by-step explanation:
formula : pi*r^2
pi*9^2
pi*81