The total cross-sectional area of the footing face, in square inches, is:

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Multiple Choice

The total cross-sectional area of the footing face, in square inches, is:

Explanation:
Cross-sectional area of a rectangular footing face is found by multiplying its width by its height. The footing face in the figure is a rectangle, so you read its two dimensions from the drawing and multiply them to get the area in square inches. The dimensions shown for that face multiply to 126, so the total cross-sectional area is 126 square inches. (For example, a 7 in by 18 in face or a 9 in by 14 in face both yield 126 in^2.) Other answer choices would require different face dimensions not given in this figure.

Cross-sectional area of a rectangular footing face is found by multiplying its width by its height. The footing face in the figure is a rectangle, so you read its two dimensions from the drawing and multiply them to get the area in square inches.

The dimensions shown for that face multiply to 126, so the total cross-sectional area is 126 square inches. (For example, a 7 in by 18 in face or a 9 in by 14 in face both yield 126 in^2.)

Other answer choices would require different face dimensions not given in this figure.

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