52. What is the area of a circular enclosure that uses 312 meters of fencing?(a) 7746.4 m2(b) 30,985.6 m2(c) 6084 m2(d) 305,815.2 m2
A = πr2
Step 1 :C = 312
Step 2 :r = C2π
Step 3 :A = πr2