Chef Leon is making 14 dozen cookies for the school bake sale. He uses 712 cups of pecans to make the cookies. How many cups of pecans, to the nearest hundredth, are in each cookie? A. 22.4 cups
B. 0.44 cup
C. 168 cups
D. 0.04 cup

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answer: the prove is mentioned below.

step-by-step explanation:

an isometric rigid transformation is a transformation of the plane that preserves lengths and angles.    

that is, the pre-image and the image under a rigid transformation will be congruent.

here, given: cb ║ ed and cb ≅ ed

prove that: δ cbf ≅ δ edf

since, cb ║ ed

therefore, by the alternative interior angle theorem,

∠fcb ≅ ∠fed

∠fbc ≅ ∠ fde

and, cb ≅ ed ( given)

therefore, the angles and sides are persevered after transformation.

thus, by the definition of isometric rigid transformation,

δ cbf ≅ δ edf