Geometry Terms and Definitions
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Questions and Answers

What is a hierarchy?

  • An order or arrangement of objects based on the relationships among their characteristics (correct)
  • A type of angle
  • A shape with four equal sides
  • A closed figure with no sides

    • 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.

    <p>True</p> Signup and view all the answers

    What is a right angle?

    <p>An angle that measures 90 degrees.</p> Signup and view all the answers

    What is an acute angle?

    <p>An angle less than 90 degrees.</p> Signup and view all the answers

    What is an obtuse angle?

    <p>An angle larger than 90 degrees.</p> Signup and view all the answers

    What are two-dimensional figures?

    <p>Flat figures with only two dimensions, such as length and width.</p> Signup and view all the answers

    What defines a polygon?

    <p>A closed figure with at least 3 straight sides.</p> Signup and view all the answers

    What is a parallelogram?

    <p>A four-sided figure that has two sets of parallel sides.</p> Signup and view all the answers

    What is a quadrilateral?

    <p>A four-sided figure.</p> Signup and view all the answers

    What defines a trapezoid?

    <p>A four-sided figure with only one set of opposite sides being parallel.</p> Signup and view all the answers

    What are the characteristics of a rectangle?

    <p>Four sides with four right angles, opposite sides are equal in length and parallel.</p> Signup and view all the answers

    What is a square?

    <p>A four-sided figure with four equal sides and four right angles.</p> Signup and view all the answers

    What is a triangle?

    <p>A figure with three sides.</p> Signup and view all the answers

    What is a rhombus?

    <p>A four-sided figure with four equal sides and opposite angles equal.</p> Signup and view all the answers

    What is a degree?

    <p>A unit of measurement used to describe the size of an angle.</p> Signup and view all the answers

    What defines an isosceles triangle?

    <p>A triangle with two equal sides and angles.</p> Signup and view all the answers

    What is an equilateral triangle?

    <p>A triangle with three equal sides and three equal angles.</p> Signup and view all the answers

    What is a right triangle?

    <p>A triangle with one 90-degree angle.</p> Signup and view all the answers

    What defines a scalene triangle?

    <p>A triangle with no equal sides.</p> Signup and view all the answers

    What is an acute triangle?

    <p>A triangle where all three angles are less than 90 degrees.</p> Signup and view all the answers

    What is an obtuse triangle?

    <p>A triangle with one angle more than 90 degrees.</p> Signup and view all the answers

    What is a regular polygon?

    <p>A closed figure with congruent sides and angles.</p> Signup and view all the answers

    What defines an irregular polygon?

    <p>A closed figure with no congruent sides and angles.</p> Signup and view all the answers

    What does congruent mean?

    <p>Sides or angles are equal.</p> Signup and view all the answers

    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.

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