Geometry

A:

Horizontal lines are parallel to the horizon or parallel to level ground. They have a slope of zero and are parallel to the x-axis on a graph. Vertical lines are perpendicular to the horizon, parallel to the y-axis on a graph and have undefined slope.

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  • What does congruent mean in math?

    Q: What does congruent mean in math?

    A: Congruent refers to two things being the same exact shape and measure. For example, if two angles are congruent, the degrees of each angle are identical.
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  • How do you find the intersection of two lines?

    Q: How do you find the intersection of two lines?

    A: To find the intersection point of two lines, you must know both lines' equations. Once those are known, solve both equations for "x," then substitute the answer for "x" in either line's equation and solve for "y." The point (x,y) is the point where both lines intersect.
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  • How is geometry used in real life?

    Q: How is geometry used in real life?

    A: Many occupations including architects, designers, farmers, construction workers and medical professionals incorporate geometric concepts into their work. Even individuals outside of these professions use geometry when measuring walls, calculating how much paint is needed for a project or determining whether new furniture can fit through a door. Geometry is a practical guide for measuring lengths, areas and volumes.
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  • What is a geometric constraint?

    Q: What is a geometric constraint?

    A: A geometric constraint is a limitation placed on an object, which can have two dimensions or more, because there are zero degrees of freedom. An object that is fully constrained cannot be geometrically altered; in other words, its angles and side lengths and positions cannot be changed unless the specification of one of the existing dimensions is altered first.
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  • How do you read a protractor?

    Q: How do you read a protractor?

    A: A protractor is an inexpensive math tool used to measure the sharpness of an angle in a geometric shape. Reading a protractor is fairly simple.
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  • How is the Pythagorean theorem used today?

    Q: How is the Pythagorean theorem used today?

    A: The Pythagorean theorem is used today in construction and various other professions and in numerous day-to-day activities. In construction, this theorem is one of the methods builders use to lay the foundation for the corners of a building. This special triangle is useful when they do not have a carpenter’s square, which is a tool for constructing right angles.
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  • What are geometric patterns?

    Q: What are geometric patterns?

    A: A geometric pattern is a pattern consisting of lines and geometric figures, such as triangles, circles and squares, that are arranged in a repeated fashion. Geometric patterns are found in many places, including art and architecture, and they tend to be symmetrical.
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  • What are perpendicular lines?

    Q: What are perpendicular lines?

    A: Perpendicular lines are those that form a right angle at the point at which they intersect. Parallel lines, though in the same plane, never intersect.
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  • What is the equation for height, width and length?

    Q: What is the equation for height, width and length?

    A: The equation for height, width and length would equal the volume of a cube or a rectangular solid. Length times width equals area, then multiplying area by height equals volume.
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  • Who is the father of geometry?

    Q: Who is the father of geometry?

    A: Euclid of Alexandria is called the Father of Geometry. He received his education at Plato's Academy in Greece and moved to Egypt to teach. He taught during the reign of Ptolemy I Soter, the first Macedonian ruler. Euclidian geometry has been taught in schools for a long time.
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  • What angle is zero degrees?

    Q: What angle is zero degrees?

    A: A zero degree angle appears as a straight line that travels from the point of inception to the right or positive side of a number line. If the line travels both left and right from the point of inception, it is considered a 180 degree angle or straight angle.
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  • How do you find the square footage of a triangular shape?

    Q: How do you find the square footage of a triangular shape?

    A: A triangle is a three-sided polygon, existing in various lengths and forms. To calculate square footage of a triangular shape, you need to calculate the area of the triangle with feet as the unit of measurement.
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  • What are the three types of symmetry?

    Q: What are the three types of symmetry?

    A: The three main types of symmetry used in mathematics are reflectional symmetry, rotational symmetry and point symmetry. Other less common types of symmetry include translational symmetry, glide symmetry, helical symmetry and symmetry of scale.
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  • What is frictional force?

    Q: What is frictional force?

    A: Frictional force is the force created by two surfaces contacting and sliding against each other. There several different forms of frictional forces, such as dry friction and fluid friction.
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  • What are examples of vertical angles in real life?

    Q: What are examples of vertical angles in real life?

    A: Examples of vertical angles in real life settings include the black and white railroad crossing signs found on roadways near railroads, open scissors and the letter "X." Other examples include the point where ceiling beams intersect in a somewhat x shape, and in a kite where two wooden sticks hold it together.
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  • Why do you use graphs and charts?

    Q: Why do you use graphs and charts?

    A: Graphs and charts are used to make information easier to visualize. Humans are great at seeing patterns, but they struggle with raw numbers. Graphs and charts can show trends and cycles.
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  • What is the lateral area of a pyramid?

    Q: What is the lateral area of a pyramid?

    A: The lateral area of a pyramid is the total surface area of the pyramid excluding the base. The formula for the lateral area of a regular pyramid is half the slant height multiplied by the perimeter. If the pyramid is irregular, calculation of the lateral area involves more complex equations and depends on the shape of the base.
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  • What is a symmetrical pattern?

    Q: What is a symmetrical pattern?

    A: A symmetrical pattern is a pattern in which converging lines form an angle that somewhat resembles an acute angle. When two patterns are symmetrical, one becomes exactly like another when flipped or turned, according to Primary Resources.
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  • What is a landmark number?

    Q: What is a landmark number?

    A: Landmark numbers are familiar landing places that make solving math problems easier, such as multiples of tens or hundreds. Familiarity with these numbers is vital to understanding numbers and their relationships with one another.
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  • What is the importance of geometry?

    Q: What is the importance of geometry?

    A: Geometry is essential for applied mathematics, and it is used in architecture and engineering fields. Its development was crucial in the development of modern mathematics. It can also make abstract mathematical concepts more clear.
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  • How do you calculate the square feet of an area?

    Q: How do you calculate the square feet of an area?

    A: Area is the space covered by a two-dimensional shape. The two dimensions are often expressed in terms of length and height or length and width. Multiplying length by height gives the area of rectangular objects. If these objects are measured in feet, the area is in square feet.
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