Final answer:
Firecode C Core gypsum panels come in lengths of 8, 9, 10, and 12 feet, which are typical sizes used in building construction to meet various structural requirements.
Step-by-step explanation:
Firecode C Core gypsum panels are available in lengths of 8, 9, 10, and 12 feet. These measurements correspond to various building requirements and dimensions that may be encountered in construction projects. These panels can be utilized in the construction of walls or ceilings where fire-resistance ratings are necessary, as they are embedded with glass fibers to increase their fire resistance.
When considering their lengths, the correct options are 8, 9, 10, and 12 feet; thus, the answer to the question is A. 8, 9, 10, 12 feet. These standard lengths allow builders and contractors to meet different structural and design needs effectively in residential and commercial constructions.