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Questions and Answers
What is a hierarchy?
What is an angle?
A figure formed by two rays or lines that share a common endpoint.
What are vertices?
The points at which two lines meet and form an angle.
Parallel lines are two lines that never touch.
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What is a right angle?
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What is an acute angle?
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What is an obtuse angle?
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What are two-dimensional figures?
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What defines a polygon?
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What is a parallelogram?
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What is a quadrilateral?
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What defines a trapezoid?
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What are the characteristics of a rectangle?
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What is a square?
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What is a triangle?
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What is a rhombus?
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What is a degree?
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What defines an isosceles triangle?
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What is an equilateral triangle?
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What is a right triangle?
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What defines a scalene triangle?
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What is an acute triangle?
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What is an obtuse triangle?
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What is a regular polygon?
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What defines an irregular polygon?
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What does congruent mean?
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Study Notes
Geometry Terms and Definitions
- Hierarchy: An arrangement of objects based on the relationships among their characteristics.
- Angle: Formed by two rays or lines sharing a common endpoint.
- Vertices (Vertex): The meeting point of two lines, creating an angle.
- Parallel Lines: Lines that never intersect, maintaining equal distance apart.
- Right Angle: Measures exactly 90 degrees, forming a perfect corner.
- Acute Angle: An angle measuring less than 90 degrees.
- Obtuse Angle: An angle measuring more than 90 degrees.
Two-Dimensional Figures
- Two-Dimensional Figures: Flat shapes characterized by only length and width, lacking depth.
- Polygon: A closed figure with at least three straight sides.
- Parallelogram: A four-sided shape (quadrilateral) with two pairs of parallel sides.
- Quadrilateral: Any four-sided figure.
- Trapezoid: A four-sided figure with one pair of parallel sides.
Specific Types of Polygons
- Rectangle: A quadrilateral with four right angles, where opposite sides are equal and parallel.
- Square: A special type of rectangle with four equal sides and four right angles.
- Triangle: A three-sided figure with varying properties depending on its side lengths and angles.
Triangle Classifications
- Rhombus: All four sides are of equal length, with opposite angles being equal.
- Isosceles Triangle: A triangle with two equal sides and angles.
- Equilateral Triangle: A triangle where all three sides and angles are equal (60 degrees each).
- Right Triangle: Contains one angle that measures 90 degrees.
- Scalene Triangle: A triangle with no equal sides or angles.
- Acute Triangle: All three angles measure less than 90 degrees.
- Obtuse Triangle: Contains one angle that exceeds 90 degrees.
Other Geometry Concepts
- Regular Polygon: A closed figure with sides and angles that are all congruent.
- Irregular Polygon: A closed figure with no sides or angles that are congruent.
- Congruent: Refers to sides or angles that are of equal measure.
- Degree: A unit used to quantify the size of angles.
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Description
This quiz covers essential geometry terms and definitions including angles, lines, and various two-dimensional figures. Test your knowledge on polygons, parallel lines, and the characteristics of different angles. Perfect for students looking to strengthen their grasp of geometry concepts.