Answer:
A =
. r^2
If A = 9
ft^2
. r^2 = 9
ft^2
r^2 = 9ft^2
r = sqrt(9ft^2)
r = 3ft ( r>0)
Step-by-step explanation:
Gabrielle's age is 3x (in which x is mikhail's age)
the sum is 56 so 3x+x=56
3x+x=56
4x=56
x=14
since x was mikhail's age, mikhail is 14 years old
1 is the correct answer my guy
Answer: 13.7777777778
Step-by-step explanation: