Answer: as the sample size is approximately large, the margin of the error is 0.15
Step-by-step explanation:
Answer:
Area of the circle = 
Step-by-step explanation:
Radius of the circle= 
Area of the circle= 
As,

Area of the circle is:

The Area of the circle is : 
32
The absolute value takes the distance from zero, it doesn’t matter weather it is positive or negatively
Hello :
cos60 = cos(-60)=0.5