Exam 24: Surface Measurement-Irregular Figures

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Use this illustration for the following questions. Assume doorways have width of 3 feet. WINDOW SCHEDULE Symbol Item Quantity Type Window Rough Opening Unit Size Manufacturer No. Remarks A 1 1 Bay -9\nobreakspace\nobreakspace1/\times- -6\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ Jones 1580 Radius 1-4\nobreakspace\nobreakspace1/2 B 2 4 Sliding -7\nobreakspace\nobreakspace1/\times-6\nobreakspace\nobreakspace1/ -5\nobreakspace\nobreakspace1/\times-3\nobreakspace\nobreakspace1/ Smith 16285 Removable Sash C 3 1 Double Hung -10\nobreakspace\nobreakspace1/\times-1\nobreakspace\nobreakspace1/ -\times-1 Jones 1437 D 4 6 Double Hung -2\nobreakspace\nobreakspace1/\times-5\nobreakspace\nobreakspace1/ -\times- Jones 1467 E 5 2 Casement -\times- -1\times- Smith 782 How many square feet of drywall are required for the walls of room B?

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305.25

There are three fundamental approaches to be used in solving surface measurements of irregular figures.

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Use this illustration for the following questions. Use this illustration for the following questions.   To the nearest square foot, what is the area of room A excluding the walls and border? To the nearest square foot, what is the area of room A excluding the walls and border?

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313

You can usually find the area of an irregular figure by breaking the figure down into smaller, regular figures and adding their areas together.

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Use this illustration for the following questions. Assume solar panels are only on one side of the roof. DOOR SCHEDULE Item Quantity Type Door Rough Opening Unit Size Manufacturer No. Remarks A 1 Panel -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Miller 821P Exterior B 5 Flush -9\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Jones 1175 Passage C 2 Panel -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Miller 8501 Closet D 1 Combination -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Smith 2750 Exterior E 2 Folding -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Miller 875 Storage F 2 Sliding 4-3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Jones 1190 Closet What is the area of the roof covered by solar panels?

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Use this illustration for the following questions. Use this illustration for the following questions.   The walls of this structure are 11 feet 6 inches high. How many square feet of material are needed for the outside walls of the building? The walls of this structure are 11 feet 6 inches high. How many square feet of material are needed for the outside walls of the building?

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Use this illustration for the following questions. Assume doorways have width of 3 feet. WINDOW SCHEDULE Symbol Item Quantity Type Window Rough Opening Unit Size Manufacturer No. Remarks A 1 1 Bay -9\nobreakspace\nobreakspace1/\times- -6\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ Jones 1580 Radius 1-4\nobreakspace\nobreakspace1/2 B 2 4 Sliding -7\nobreakspace\nobreakspace1/\times-6\nobreakspace\nobreakspace1/ -5\nobreakspace\nobreakspace1/\times-3\nobreakspace\nobreakspace1/ Smith 16285 Removable Sash C 3 1 Double Hung -10\nobreakspace\nobreakspace1/\times-1\nobreakspace\nobreakspace1/ -\times-1 Jones 1437 D 4 6 Double Hung -2\nobreakspace\nobreakspace1/\times-5\nobreakspace\nobreakspace1/ -\times- Jones 1467 E 5 2 Casement -\times- -1\times- Smith 782 What is the perimeter of room A to the nearest foot?

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Use this illustration for the following questions. Assume doorways have width of 3 feet. WINDOW SCHEDULE Symbol Item Quantity Type Window Rough Opening Unit Size Manufacturer No. Remarks A 1 1 Bay -9\nobreakspace\nobreakspace1/\times- -6\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ Jones 1580 Radius 1-4\nobreakspace\nobreakspace1/2 B 2 4 Sliding -7\nobreakspace\nobreakspace1/\times-6\nobreakspace\nobreakspace1/ -5\nobreakspace\nobreakspace1/\times-3\nobreakspace\nobreakspace1/ Smith 16285 Removable Sash C 3 1 Double Hung -10\nobreakspace\nobreakspace1/\times-1\nobreakspace\nobreakspace1/ -\times-1 Jones 1437 D 4 6 Double Hung -2\nobreakspace\nobreakspace1/\times-5\nobreakspace\nobreakspace1/ -\times- Jones 1467 E 5 2 Casement -\times- -1\times- Smith 782 The walls in this figure are 9 feet 3 inches high. To the nearest square foot, how many square feet of drywall are needed for the walls of room A?

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Use this illustration for the following questions. Assume solar panels are only on one side of the roof. DOOR SCHEDULE Item Quantity Type Door Rough Opening Unit Size Manufacturer No. Remarks A 1 Panel -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Miller 821P Exterior B 5 Flush -9\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Jones 1175 Passage C 2 Panel -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Miller 8501 Closet D 1 Combination -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Smith 2750 Exterior E 2 Folding -3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Miller 875 Storage F 2 Sliding 4-3\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ -\times- Jones 1190 Closet In square feet, what is the area of the roof that must be covered by shingles?

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Use this illustration for the following questions. Assume doorways have width of 3 feet. WINDOW SCHEDULE Symbol Item Quantity Type Window Rough Opening Unit Size Manufacturer No. Remarks A 1 1 Bay -9\nobreakspace\nobreakspace1/\times- -6\nobreakspace\nobreakspace1/\times-11\nobreakspace\nobreakspace1/ Jones 1580 Radius 1-4\nobreakspace\nobreakspace1/2 B 2 4 Sliding -7\nobreakspace\nobreakspace1/\times-6\nobreakspace\nobreakspace1/ -5\nobreakspace\nobreakspace1/\times-3\nobreakspace\nobreakspace1/ Smith 16285 Removable Sash C 3 1 Double Hung -10\nobreakspace\nobreakspace1/\times-1\nobreakspace\nobreakspace1/ -\times-1 Jones 1437 D 4 6 Double Hung -2\nobreakspace\nobreakspace1/\times-5\nobreakspace\nobreakspace1/ -\times- Jones 1467 E 5 2 Casement -\times- -1\times- Smith 782 Determine the floor area to be covered in room C in square feet.

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