A Parallelogram Has Angles a and B as Supplementary Angles

question 7

Multiple Choice

A parallelogram has angles A and B as supplementary angles. The measure of angle A is 74 degrees more than angle B. What is the measure of angle A?

• A) A = 53 degrees
• B) A = 67 degrees
• C) A = 82 degrees
• D) A = 127 degrees
• E) A = 113 degrees

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Definitions:

Mutarotation

The change in optical rotation due to the change in equilibrium between two anomers of a sugar solution over time.

Methyl-β-D-Talopyranoside

A chemical compound that is a methyl glycoside derived from the β-anomer of D-talopyranose.

Chair Form

A specific, stable conformation of cyclohexane that minimizes steric strain, resembling a chair.

D-Talose

A type of sugar, specifically a monosaccharide, that is part of the aldohexose family and is known for its optical activity.