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<strong>Step 4:</strong> Make a horizontal line starting from the origin. Then use the smart dimension tool to make it 6mm long. Follow the same process to draw 2 more lines in succession, and make them the lengths shown in the screenshot below. Make the two lines farthest from the origin construction lines by clicking on the lines (after exiting the Smart Dimension tool) and hovering over the icons until you find the "Construction Geometry" icon. After clicking it, the lines will become dashed.

<strong>Step 4:</strong> Make a horizontal line starting from the origin. Then use the smart dimension tool to make it 6mm long. Draw another horizontal line next to it with the length shown in the screenshot below. Make the second line a construction line by clicking on it (after exiting the Smart Dimension tool) and hovering over the icons until you find the "Construction Geometry" icon. After clicking it, the line will become dashed.

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<strong>Step 5:</strong> From the two points formed by the horizontal construction lines, draw two more vertical construction lines with the lengths shown in the screenshot below.

<strong>Step 5:</strong> From the right end point of the horizontal construction line, draw a vertical construction line with the length shown in the screenshot below.

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