IDNLearn.com provides a collaborative environment for finding and sharing answers. Get the information you need from our community of experts who provide accurate and thorough answers to all your questions.
Answer:
28
Step-by-step explanation:
find perimeter (25 + 25 + 45 + 45 = 140)
divide your perimeter by 5 (140 ÷ 5 = 28)
therefore you need 28 fence posts