D
It has 4 spots of lines instead of 3
Resistance = voltage/currant
Resistance= 80/40 = 2
Resistance = 2 (Ohms)
Answer:
X= 4
Step-by-step explanation:
<span>d = 20 inches
r = d/2 = 20/2 = 10 inches
Area = πr^2
= 22/7 * 10^2 inch^2
= 2200/7 inch^2
= 314.2 inch^2
Therefore, Answer is B. 314.2 in^2 Ans</span>