Question
Liam is putting up fence around a garden. He has poles located at A(7, 7)
, B(16, 7)
, C(2, 2)
, and D(16, 2)
. Each unit on his coordinate grid represents 1 foot. How many feet of fencing does he need to fence in the garden? Round to the nearest foot.
, B(16, 7)
, C(2, 2)
, and D(16, 2)
. Each unit on his coordinate grid represents 1 foot. How many feet of fencing does he need to fence in the garden? Round to the nearest foot.
Answers
GPT 3.5
To fence the garden, Liam needs to find the perimeter of the shape formed by the four poles.
To calculate the distance between two points on a coordinate grid, we can use the distance formula, which is given by:
√((x2 - x1)^2 + (y2 - y1)^2)
Let's calculate the distance between each pair of adjacent poles:
- Distance between poles A(7, 7) and B(16, 7):
√((16 - 7)^2 + (7 - 7)^2) = √(9^2 + 0^2) = √(81) = 9 feet
- Distance between poles B(16, 7) and D(16, 2):
√((16 - 16)^2 + (7 - 2)^2) = √(0^2 + 5^2) = √(25) = 5 feet
- Distance between poles D(16, 2) and C(2, 2):
√((2 - 16)^2 + (2 - 2)^2) = √((-14)^2 + 0^2) = √(196) = 14 feet
- Distance between poles C(2, 2) and A(7, 7):
√((7 - 2)^2 + (7 - 2)^2) = √(5^2 + 5^2) = √(50) = 7.07 (rounded to the nearest foot) = 7 feet
Now let's add up these distances to find the total perimeter:
9 + 5 + 14 + 7 = 35 feet
Therefore, Liam needs about 35 feet of fencing to fence in the garden.
To calculate the distance between two points on a coordinate grid, we can use the distance formula, which is given by:
√((x2 - x1)^2 + (y2 - y1)^2)
Let's calculate the distance between each pair of adjacent poles:
- Distance between poles A(7, 7) and B(16, 7):
√((16 - 7)^2 + (7 - 7)^2) = √(9^2 + 0^2) = √(81) = 9 feet
- Distance between poles B(16, 7) and D(16, 2):
√((16 - 16)^2 + (7 - 2)^2) = √(0^2 + 5^2) = √(25) = 5 feet
- Distance between poles D(16, 2) and C(2, 2):
√((2 - 16)^2 + (2 - 2)^2) = √((-14)^2 + 0^2) = √(196) = 14 feet
- Distance between poles C(2, 2) and A(7, 7):
√((7 - 2)^2 + (7 - 2)^2) = √(5^2 + 5^2) = √(50) = 7.07 (rounded to the nearest foot) = 7 feet
Now let's add up these distances to find the total perimeter:
9 + 5 + 14 + 7 = 35 feet
Therefore, Liam needs about 35 feet of fencing to fence in the garden.
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