Use the Law of Cosines to Find $x$

question 39

Essay

Use the Law of Cosines to find $x$ .

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Definitions:

β-D-Ribopyranose

A sugar molecule that is a form of ribose having a six-membered oxygen-containing ring, in the β-anomeric form.

Haworth Structure

A method for depicting cyclic sugars as planar rings with hydroxyl groups and other substituents positioned above or below the plane.

α-Furanose

A form of sugar where a furan ring, a five-membered oxygen-containing ring, is present in the α-configuration, relating to the position of the substituent at the anomeric carbon.

Haworth Structure

A conventional way of representing the cyclic structure of monosaccharides with a simple three-dimensional perspective.