To compute the perimeter of a trapezoid, you need to find the lengths of all four sides and then sum them up. However, the specific coordinates of the trapezoid are not provided in your message.
Typically, if the trapezoid has vertices A, B, C, and D with coordinates (x1, y1), (x2, y2), (x3, y3), and (x4, y4), you would calculate the length of each side using the distance formula:
\[ d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \]
Given that you simply listed some distances (12.3 units, 14.4 units, 16.3 units, 13.8 units), we can sum these up to find the perimeter:
\[ \text{Perimeter} = 12.3 + 14.4 + 16.3 + 13.8 \]
Calculating this gives:
\[ \text{Perimeter} = 12.3 + 14.4 + 16.3 + 13.8 = 56.8 \text{ units} \]
So, the perimeter of the trapezoid is 56.8 units, rounded to the nearest tenth.
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