Do what the hint says lol
Answer:
no. 4
Step-by-step explanation:
the numbers start at two and keeps going up.
Answer:
First and second
Step-by-step explanation:
Radius of 1 button = r = 3x
Fabric required to cover 1 button = Area of the circle
= 
= 
= 
Total number of buttons = x
Fabric required to cover 1 button =
Fabric required to cover x buttons = 
Hence, fabric required to cover x buttons
sq. units