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 is 9r
Because 9x3 is 27
Also no clue about the brainliest thing
Answer:
D. 25%
Step-by-step explanation:
45/180=0.25
0.25 into a percent is 25%
Answer:
4^9+8 or 4^17
Step-by-step explanation: