R = 3
6x3=18
18x3=54
54x3=162 ...
Answer:
I believe the answer is B
Step-by-step explanation:
The area of the quarter circle with radius 3ft is 
Area of a quarter circle is given by the formula:

Where r represents the radius of the circle
In the quarter circle shown, the radius, r = 3 feet
π = 3.14
Substitute π = 3.14 and r = 3 into the formula 

The area of the quarter circle with radius 3ft is 
Learn more here: brainly.com/question/25843249
800
You would multiply 10x80