Answer :

Final answer:

A 2x4 measures approximately 1.5 inches by 3.5 inches, a 2x6 measures approximately 1.5 inches by 5.5 inches, a 2x8 measures approximately 1.5 inches by 7.25 inches, and a 2x12 measures approximately 1.5 inches by 11.25 inches.

Explanation:

The dimensions of a 2x4, 2x6, 2x8, and 2x12 refer to the dimensions of lumber commonly used in construction. However, these measurements are not the actual dimensions of the lumber. The actual dimensions are slightly smaller than the nominal dimensions.

A 2x4 actually measures approximately 1.5 inches by 3.5 inches. Similarly, a 2x6 measures approximately 1.5 inches by 5.5 inches, a 2x8 measures approximately 1.5 inches by 7.25 inches, and a 2x12 measures approximately 1.5 inches by 11.25 inches.

These dimensions differ from the nominal dimensions because of the process of planing and drying the lumber after it is cut from the tree.

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