For to be the line of reflection between and , which statements must be true? select three options. bd = db' df = fg m∠efa = 90° the line of reflection, eh, is the perpendicular bisector of bb', aa', and cc'. δabc is not congruent to δa'b'c'

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step-by-step explanation:

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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