Calculate Parallelogram Perimeter: Finding the Total Length with 3-Unit Base

To solve this problem, we'll follow these steps:

• Step 1: Identify the base and side of the parallelogram from the diagram.
• Step 2: Use the perimeter formula for a parallelogram.
• Step 3: Substitute the values into the formula to find the perimeter.

Now, let's work through each step:
Step 1: From the diagram, the base of the parallelogram is given as $3$ units (top side). Despite the lack of explicit vertical length values, the common approach is to assume symmetrical side lengths—both the base and the side given symmetrically leads us to a second side, typically directly inferred. However, since all clear interpretation points to utilizing 1 and horizontal 3, we verify with associated edge matching.
Step 2: Use the formula for the perimeter of the parallelogram: $P = 2 \times (\text{base} + \text{side})$.
Step 3: Substitute the given values into the formula: $P = 2 \times (3 + 1)$.
Calculating this gives us: $P = 2 \times 4 = 8$.

Therefore, the solution to the problem is $P = 8$.