Answer:

Step-by-step explanation:
Required
The equation of the circle
The equation of a circle is:

Where:


From the graph, we have


So:
becomes


Answer:
Suppose, a triangle ABC, whose sides are a, b and c, respectively. Thus, the area of a triangle can be given by; Area= 30
Area = 1/2 x 15 x4 = 30 square yards
Step-by-step explanation:
Answer:
The length of the yard is 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The perimeter of the yard required to be fenced is equal to


so

solve for x



Find the length of the yard

1inch= 0,8(3) feet
5,400*0,8333 : 5280= 4,4999 :5280=0, 085 miles
Best answer I can find is 10%