Which three-dimensional figure has exactly three rectangular faces?

The answer is triangular prism.

Step-by-step explanation:

Triangular prism has exactly three rectangular faces.

Triangular Prism:

Triangular prisms are three-dimensional solids formed by putting rectangles and triangles together. It is a polyhedron made of a triangular base, a translated copy, and 3 faces joining corresponding sides. A right triangular prism has rectangular sides, otherwise it is oblique.It is a three dimensional shape with two parallel congruent circular faces whose cross sections (taken parallel to these circular faces) are circular

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step-by-step explanation:

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in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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