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Questions and Answers
What is the sum of the interior angles of a triangle?
What is the sum of the interior angles of a triangle?
- 180 degrees (correct)
- 90 degrees
- 60 degrees
- 120 degrees
What is the name for a polygon with six sides?
What is the name for a polygon with six sides?
- Pentagon
- Octagon
- Hexagon (correct)
- Heptagon
What is the circumference of a circle with a radius of 5 units?
What is the circumference of a circle with a radius of 5 units?
- $20\ ext{pi}$ units
- $5\ ext{pi}$ units
- $25\ ext{pi}$ units (correct)
- $10\ ext{pi}$ units
What is the measure of each interior angle in a regular pentagon?
What is the measure of each interior angle in a regular pentagon?
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Study Notes
Triangle Properties
- The sum of the interior angles of a triangle is 180 degrees.
Polygon Types
- A polygon with six sides is called a hexagon.
Circle Properties
- The circumference of a circle with a radius of 5 units is 2 * π * 5 = 10π units.
Polygon Angles
- In a regular pentagon, each interior angle measures 108 degrees.
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