9 because if you subtract 11 from 19 you het 9
It is 9 inches because the formula for the area of a circle is πr2 where the r represents the radius of the circle
The pi can be canceled out =
πr2 and 81 π leaving with
R2 and 81
The r2 represents a square number. So square root 81 and you would result in 9 as your answer
Howwwww.....................
Answer:
D= 18
Step-by-step explanation:
She treated 18 people on the average because 1134 dived by 63 is exactly 18.
:) :)