OAB is a sector of a circle
what is the area of the sector

12.56 square cm

Step-by-step explanation:

Let A be the area of the sector of circle.

I solved in the picture

Hope this helps ^-^

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40