Symmetry

Flashcard
•
Mathematics
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is symmetry?
Back
Symmetry is a property where a shape or object can be divided into parts that are arranged in a balanced and proportional manner. It can be reflected, rotated, or translated.
2.
FLASHCARD QUESTION
Front
What is rotational symmetry?
Back
Rotational symmetry is when an object can be rotated around a central point and still look the same at certain angles of rotation.
3.
FLASHCARD QUESTION
Front
What is the smallest angle of rotation for a shape with rotational symmetry?
Back
The smallest angle of rotation is the angle at which the shape maps onto itself. For example, a regular pentagon has a smallest angle of rotation of 72°.
4.
FLASHCARD QUESTION
Front
How do you determine the number of lines of symmetry in a shape?
Back
To determine the number of lines of symmetry, you can fold the shape along different lines to see if both halves match perfectly.
5.
FLASHCARD QUESTION
Front
What is a line of symmetry?
Back
A line of symmetry is an imaginary line that divides a shape into two identical halves that are mirror images of each other.
6.
FLASHCARD QUESTION
Front
How many lines of symmetry does a square have?
Back
A square has 4 lines of symmetry.
7.
FLASHCARD QUESTION
Front
How many lines of symmetry does a circle have?
Back
A circle has an infinite number of lines of symmetry.
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