One row of five posts across from the stream.
Two rows of four perpendicular to the stream.
Total = 13
Two rows of four perpendicular to the stream.
Total = 13
1. The garden is in the shape of a square, with each side measuring 32 feet.
2. The perimeter of a square is calculated by multiplying the length of one side by 4. So, in this case, the perimeter is 32 feet x 4 = 128 feet.
3. Derek plans to build a fence on the three sides of the garden, excluding the side with the stream. So, he needs to calculate the perimeter of three sides, which is 3 x 32 feet = 96 feet.
4. Since fence posts will be placed every 8 feet, we divide the perimeter by 8: 96 feet รท 8 = 12.
5. Therefore, Derek will need 12 fence posts to build the fence on the three sides of his garden.
The square garden has four equal sides, each measuring 32 feet. So, the perimeter of the garden is calculated by multiplying the length of one side by 4:
Perimeter = 32 feet ร 4 = 128 feet
Next, we need to determine the number of fence posts needed by dividing the perimeter by the spacing between each fence post, which is 8 feet:
Number of fence posts = Perimeter / Spacing
= 128 feet / 8 feet
= 16 posts
Therefore, Derek will need a total of 16 fence posts for the three sides of the garden.