Geometry CH 12 Vocabulary Flashcards
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Questions and Answers

What is the definition of an equilateral triangle?

  • A figure made up of two or more three-dimensional figures
  • A quadrilateral with opposite sides both parallel
  • A triangle with one obtuse angle
  • A triangle with three congruent sides (correct)
  • What is a composite figure?

    A figure made up of two or more three-dimensional figures

    What defines a parallelogram?

    A quadrilateral with opposite sides both parallel and congruent

    What does volume measure?

    <p>The amount of space within a three-dimensional figure</p> Signup and view all the answers

    Define a rectangular prism.

    <p>A three-dimensional figure with six rectangular faces, twelve edges, and eight vertices</p> Signup and view all the answers

    What is a regular polygon?

    <p>A polygon with congruent sides and all congruent angles</p> Signup and view all the answers

    What characterizes a triangular prism?

    <p>A prism with two congruent triangular bases</p> Signup and view all the answers

    What is an obtuse triangle?

    <p>A triangle with one obtuse angle</p> Signup and view all the answers

    What is a face in geometry?

    <p>A flat surface of a three-dimensional figure</p> Signup and view all the answers

    What is a polygon?

    <p>A closed figure made up of line segments that do not cross each other</p> Signup and view all the answers

    What defines a square?

    <p>A rectangle with four congruent sides</p> Signup and view all the answers

    What is a pentagon?

    <p>A polygon with five sides</p> Signup and view all the answers

    Study Notes

    Triangle Types

    • Equilateral triangle: All three sides are congruent.
    • Obtuse triangle: Contains one angle greater than 90 degrees.

    Geometric Figures

    • Composite figure: Composed of two or more three-dimensional figures.
    • Parallelogram: A quadrilateral where opposite sides are both parallel and congruent.
    • Polygon: A closed figure formed by non-crossing line segments.
    • Regular polygon: All sides and angles are congruent.
    • Pentagon: Specifically a polygon with five sides.

    Three-Dimensional Figures

    • Volume: Represents the amount of space inside a three-dimensional figure.
    • Rectangular prism: Comprised of six rectangular faces, twelve edges, and eight vertices.
    • Triangular prism: Contains two congruent triangular bases.

    Surfaces and Dimensions

    • Face: A flat surface that forms part of the boundary of a three-dimensional figure.
    • Square: A type of rectangle where all four sides are congruent.

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    Description

    Test your knowledge of key terms in Geometry Chapter 12 with these flashcards. Each card features a geometric term along with its definition, helping you to understand concepts like equilateral triangles and volume. Perfect for studying for exams or reinforcing vocabulary skills.

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