Find the Number of Diagonals of a Nonagon (9 Sides)

question 138

Multiple Choice

Find the number of diagonals of a nonagon (9 sides) . (A line segment connecting any two nonadjacent vertices is called a diagonal of the polygon.)

• A)27
• B)72
• C)81
• D)9
• E)18

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Definitions:

High-Fiber Diet

A diet rich in dietary fibers found in fruits, vegetables, whole grains, and legumes, beneficial for digestive health and preventing constipation.

Low-Sodium Diet

A dietary plan that limits the intake of sodium, beneficial for individuals with certain health conditions like high blood pressure.

Bland Diet

A diet consisting of foods that are mild in flavor and easy on the stomach, typically recommended for people with gastrointestinal issues.

High-Calorie, High-Protein Diet

A nutritional plan that significantly incorporates foods rich in calories and proteins, often recommended for individuals needing to gain weight or muscle mass.