i’m not sure but try googling or looking on slader
Answer:

Step-by-step explanation:
Given


See attachment for farm
Required
The cost of fencing the farm
First, calculate the radius of the farm.
The radius is represented with AC.
So, we have:
---- distance formula
So, we have:





Hence:
--- radius
Calculate the circumference of the circle



If 1 yard costs $30, 31.4 yards will cost:


There isn't anything there
Answer:
Ans = 2.53m
Step-by-step explanation:
It is a simple law of Cosine, on a right-angle triangle draw the length as 5 and the base as 7 the angle is 15°. Find x.
So x = 5² +7² - 2 (5) (7)cos 15°
Solve this and you get your answer.
Hope this was helpful :)