Question

Use the image to answer the question.

An illustration shows a three dimensional composite figure formed by a smaller rectangular prism on top of a larger rectangular prism. The top, right, and front faces are visible. The faces and edges that are not visible are indicated by dashed lines. The bottom rectangular prism has a length of 12 millimeters, a width of 7 millimeters, and a height of 4 millimeters. The top rectangular prism is placed directly in the center of the bottom rectangular prism. The top rectangular prism is aligned perfectly with the width of the bottom rectangular prism. The top rectangular prism has a length of 5 millimeters and a height of 5 millimeters. The measurement for the width of the top rectangular prism is not shown.

What is the total surface area of the figure?

(1 point)
Responses

475 mm2
475 mm squared

440 mm2
440 mm squared

510 mm2
510 mm squared

538 mm2

Answers

Answered by Lelah

510 mm2 - incorrect
This answer doesn’t subtract the hidden faces from the total surface area.
Answered by Lelah
The correct answer is
440 mm2
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