Area of circle = pi r^2 = 3.14 x 4^2 = 50.24 square miles
Quarter circle's area = 50.24 /4 = 12.56 square miles
Answer:
12.56 square miles
To solve this problem you must apply the proccedure shown below:
1. You have that the hyperbola <span>has a vertex at (0,36) and a focus at (0,39).
2. Therefore, the equation of the directrices is:
a=36
a^2=1296
c=39
y=a^2/c
3. When you susbtitute the values of a^2 and c into </span>y=a^2/c, you obtain:
<span>
</span>y=a^2/c
<span> y=1296/13
4. When you simplify:
y=432/13
Therefore, the answer is: </span><span>y = ±432/13</span>
Answer:
you need to read 11 or more books to pass your goal
Step-by-step explanation: