The formula of an area of a circle:

We have
r = 1.8 m
π ≈ 3.14
Substitute:

Answer:
58/100
Step-by-step explanation:
Answer:

Step-by-step explanation:
The number of red marbles in the bag is;
.
The number of blue marbles in the bag is;
.
The number of white marbles in the bag is;
.
The total number of marbles in the bag is:
.
The probability of selecting a blue marble is 
We substitute the given information to obtain:

We simplify to obtain:
