Use the image to answer the question.

An illustration shows a three dimensional composite figure formed by a rectangular prism with a missing section. The missing section is also in the shape of a rectangular prism. The top, right, and front faces of the figure are visible. "The faces and edges that are not visible are indicated by dashed lines. The rectangular prism has a length of 13.7 centimeters and a height of 11.5 centimeters. The missing section is removed from the bottom right corner of the rectangular prism. The missing section is a rectangular prism that shares a width of 3 centimeters with the rest of the figure. The missing rectangular prism section has a length of 7.5 centimeters and a height of 7.5 centimeters. The remaining length to the left of the missing section both measures 6.2 centimeters. The remaining height above the missing section measures 4 centimeters.

Solve for the total surface area of the figure.

(1 point)
Responses

377.8 cm2
377.8 cm squared

365.8 cm2 365.8 cm squared

353.8 cm2
353.8 cm squared

53.4 cm2

3 answers

To find the total surface area of the figure, we need to find the lateral surface area of the rectangular prism with the missing section, and then add that to the surface area of the missing section itself.

The lateral surface area of the rectangular prism with the missing section can be found by:
2 * (length * height + length * width + height * width)

= 2 * (13.7 * 11.5 + 13.7 * 3 + 11.5 * 3)
= 2 * (157.55 + 41.1 + 34.5)
= 2 * 233.15
= 466.3 cm²

The surface area of the missing section can be found by:
length * height + length * width + height * width

= 7.5 * 7.5 + 7.5 * 3 + 7.5 * 3
= 56.25 + 22.5 + 22.5
= 101.25 cm²

Therefore, the total surface area of the figure is:
466.3 cm² + 101.25 cm² = 567.55 cm²

So, the correct answer is not provided.
Pick one
365.8 cm²
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