Mr. loyd wants to fence his Square shaped land of 150Sqft each side.If a pole is laid every 30ft how many poles do he need?  Choose the correct answer:
A) 20
B) 30
C) 40
D) 50
E) 60

Rationale: if each side is 120 feet . . then total perimeter is 150 * 4 = 600 poles every 20 feet hence no of poles = 600 / 20 = 30 answer : b
Answer: B