What is the formula for the area of a regular polygon?
10.3-10.5 Flashcardizz Review (Geometry)

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Mathematics
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The area (A) of a regular polygon can be calculated using the formula: A = (1/2) * Perimeter * Apothem.
2.
FLASHCARD QUESTION
Front
What is an apothem in a polygon?
Back
An apothem is a line segment from the center of a regular polygon perpendicular to one of its sides.
3.
FLASHCARD QUESTION
Front
What is the relationship between the radius and the apothem in a regular polygon?
Back
The radius is the distance from the center to a vertex, while the apothem is the distance from the center to the midpoint of a side.
4.
FLASHCARD QUESTION
Front
How do you find the area of a triangle given its base and height?
Back
The area (A) of a triangle can be calculated using the formula: A = (1/2) * base * height.
5.
FLASHCARD QUESTION
Front
What is the significance of the central angle in a regular polygon?
Back
The central angle is the angle formed at the center of the polygon by two radii drawn to two adjacent vertices.
6.
FLASHCARD QUESTION
Front
What is the area ratio of two similar figures?
Back
The area ratio of two similar figures is equal to the square of the ratio of their corresponding side lengths.
7.
FLASHCARD QUESTION
Front
If the height of a trapezoid is doubled, how does the area change?
Back
If the height of a trapezoid is doubled, the area also doubles.
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