Geometry I Week 1

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| By TiOglesby
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TiOglesby
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Quizzes Created: 2 | Total Attempts: 2,424
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  • 1/20 Questions

    A _____ is a term for a set of points that extend indefinitely in two directions

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This is your first Unit Exam.
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Geometry I Week 1 - Quiz

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  • 2. 

    _____ _____ are coplaner lines that do not intersect.

    Explanation
    Parallel lines are lines that lie in the same plane and do not intersect each other. They have the same slope and will never meet regardless of how far they are extended.

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  • 3. 

    An angle with measure less than 90 degrees is called _____.

    • A right angle

    • An acute angle

    • An obtuse angle

    Correct Answer
    A. An acute angle
    Explanation
    An angle with measure less than 90 degrees is called an acute angle. Acute angles are smaller than a right angle (90 degrees) and have a measure between 0 and 90 degrees. They are characterized by their sharpness and are commonly found in triangles and other geometric shapes.

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  • 4. 

    An angle with an measuremenet of 118 degrees is called _____.

    • A right angle

    • An acute angle

    • An obtuse angle

    Correct Answer
    A. An obtuse angle
    Explanation
    An angle with a measurement of 118 degrees is called an obtuse angle. In geometry, an obtuse angle is any angle greater than 90 degrees but less than 180 degrees. Since 118 degrees is greater than 90 degrees, it falls into the category of an obtuse angle.

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  • 5. 

    _____ points are points through which a line cannot be drawn. 

    Correct Answer
    Noncollinear
    noncollinear
  • 6. 

    A _____ is a line that intersects two or more lines in a plane at different points.

    Correct Answer
    transversal
    Explanation
    A transversal is a line that intersects two or more lines in a plane at different points.

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  • 7. 

    The number of points in any one line segment is _____.

    Correct Answer
    infinite
    Explanation
    In any line segment, there are an infinite number of points. This is because a line segment is a continuous straight path that extends infinitely in both directions. Therefore, there is no limit to the number of points that can be found within a line segment.

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  • 8. 

    An angle with measure 90 degrees is called _____.

    • A right angle

    • An acute angle

    • An obtust angle

    Correct Answer
    A. A right angle
    Explanation
    An angle with a measure of 90 degrees is called a right angle.

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  • 9. 

    Two rays that have a common endpoint and form a line are called _____ _____. 

    Correct Answer
    opposite rays
    Explanation
    Opposite rays are two rays that share the same endpoint and form a straight line. They extend in opposite directions and together they form a line.

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  • 10. 

    Lines that do not intersect and are not in the same plane are called _____ lines. 

    Correct Answer
    skew
    Explanation
    Lines that do not intersect and are not in the same plane are called skew lines. Skew lines are two lines that are not parallel but do not intersect each other. They are located in different planes and have no common points. Skew lines have different slopes and do not lie in the same geometric plane.

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  • 11. 

    Which type of angle is shaped like the corner of a piece of paper? 

    • Acute

    • Right

    • Obtuse

    • Straight

    Correct Answer
    A. Right
    Explanation
    A right angle is shaped like the corner of a piece of paper because it forms a 90-degree angle, which is a perfect square corner. This angle is commonly found in everyday objects, such as book pages, doors, and windows.

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  • 12. 

    An angle with measure between 90 and 180 degrees is called _____.

    • A right angle

    • An acute angle

    • An obtuse angle

    Correct Answer
    A. An obtuse angle
    Explanation
    An angle with a measure between 90 and 180 degrees is called an obtuse angle. This type of angle is larger than a right angle (90 degrees) but smaller than a straight angle (180 degrees). It is characterized by its openness and is commonly found in shapes such as triangles and quadrilaterals.

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  • 13. 

    Two angles are supplementary.  If one angle measures 80 degrees, what is the measure of the other angle?

    • 10 degrees

    • 90 degrees

    • 100 degrees

    Correct Answer
    A. 100 degrees
    Explanation
    Supplementary angles are a pair of angles that add up to 180 degrees. In this case, if one angle measures 80 degrees, the other angle must be the remaining amount needed to add up to 180 degrees. Subtracting 80 from 180 gives us 100 degrees, which is the measure of the other angle.

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  • 14. 

    Transversal lines can cross over both parallel and non-parallel lines.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Transversal lines are lines that intersect two or more other lines. They can cross over both parallel lines, creating corresponding angles, alternate interior angles, alternate exterior angles, and consecutive interior angles, as well as non-parallel lines. Therefore, the statement is true.

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  • 15. 

    Any three points must be collinear.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    This statement is false because any three points do not necessarily have to be collinear. Collinear points are points that lie on the same straight line. However, it is possible for three points to be non-collinear, meaning they do not lie on the same line.

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  • 16. 

    Skew lines intersect sometimes.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Skew lines are lines that are not parallel and do not intersect. They are in different planes and never meet, so the statement that skew lines intersect sometimes is false.

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  • 17. 

    What are the sides of an angle?

    • Line segments

    • Lines

    • Rays

    • Double points

    Correct Answer
    A. Rays
    Explanation
    An angle is formed by two rays that share a common endpoint called the vertex. The sides of an angle are the two rays that extend from the vertex in opposite directions. Therefore, the correct answer is rays.

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  • 18. 

    _____ parts are points in the same plane. 

    Correct Answer
    Coplaner
    coplaner
    Explanation
    The term "coplaner" refers to points that lie in the same plane. In other words, these points can be connected by a flat surface without any of them being above or below the plane. Therefore, the correct answer is "coplaner" as it accurately describes the relationship between the parts mentioned in the question.

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  • 19. 

    Any two points can be noncollinear.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement "Any two points can be noncollinear" is false. Collinear points are points that lie on the same line, so if we have two points that are collinear, they cannot be noncollinear. Thus, the correct answer is false.

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  • 20. 

    The word Trigonometry comes from the Greek language; it means "_____ _____."

    Correct Answer
    triangle measurement
    Explanation
    The word Trigonometry comes from the Greek language, where "tri" means three and "gon" means angle. Therefore, it can be understood as "triangle measurement" since trigonometry involves the study and measurement of angles and sides in triangles.

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  • Jun 05, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 01, 2011
    Quiz Created by
    TiOglesby
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