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parallelogram    
n. 平行四边形

平行四边形

parallelogram
n 1: a quadrilateral whose opposite sides are both parallel and
equal in length [ant: {trapezium}]

Parallelogram \Par`al*lel"o*gram\, n. [Gr. ?; ? parallel ? to
write: cf. F. parall['e]logramme. See {Parallel}, and
{-gram}.] (Geom.)
A right-lined quadrilateral figure, whose opposite sides are
parallel, and consequently equal; -- sometimes restricted in
popular usage to a rectangle, or quadrilateral figure which
is longer than it is broad, and with right angles.
[1913 Webster]

{Parallelogram of velocities}, {parallelogram of forces},
{parallelogram of accelerations}, {parallelogram of momenta},
etc. (Mech.), a parallelogram the diagonal of which
represents the resultant of two velocities, forces,
accelerations, momenta, etc., both in quantity and
direction, when the velocities, forces, accelerations,
momenta, etc., are represented in quantity and direction
by the two adjacent sides of the parallelogram.
[1913 Webster]


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  • Perimeter Calculation for Parallelograms - Brainly. com
    Perimeter of a Parallelogram In this lesson, we will explore the concept of perimeter in the context of parallelograms Perimeter is the distance around the outside of a shape, and in the case of a parallelogram, it refers to the total length of all its sides By understanding the properties of parallelograms and the relationship between their sides, we will learn how to calculate the
  • Lines Of Symmetry In A Parallelogram - Brainly. com
    In this lesson, we will focus on exploring the lines of symmetry in a parallelogram Parallelogram - Definition and Properties Before diving into the concept of lines of symmetry, let's first understand what a parallelogram is A parallelogram is a quadrilateral (a polygon with four sides) in which both pairs of opposite sides are parallel
  • Finding the Height of a Parallelogram: A Step-by-Step Guide
    Learn about Finding height of a parallelogram from Maths Find all the chapters under Middle School, High School and AP College Maths
  • How do the areas of the parallelograms compare? - Brainly. com
    Again, if parallelogram 2 has an area x, then parallelogram 1 would be x + 2 Area of parallelogram 1 (x) = Area of parallelogram 2 (x) In analyzing these statements, it is clear that they cannot all be true at the same time because they present conflicting information regarding the relationship between the two areas
  • [FREE] Choose all the shapes that can always be classified as . . .
    The shapes that can always be classified as parallelograms are rectangles, rhombuses, and squares Trapezoids cannot be classified as parallelograms, while equilateral triangles do not have four sides Thus, only the specified three shapes meet the criteria of parallelograms
  • Parallelogram WXYZ is shown. Diagonals are drawn from point W to point . . .
    Examples Evidence For example, in parallelogram formed by points A, B, C, and D with diagonals intersecting, the properties of the diagonals can similarly be used to find segment lengths by setting equal the expressions for each segment created by their intersections The properties of parallelograms indicate that diagonals bisect each other
  • Quadrilateral WXYZ is shown. Diagonals are drawn from point W to point . . .
    The **value of x **must be 3, for **quadrilateral **WXYZ to be a parallelogram The given parameters are: CY = 3x+ 2 WC = 2x+ 5 From the question, we understand that
  • How do the areas of the parallelograms compare? - Brainly. com
    Explanation To compare the areas of parallelogram 1 and parallelogram 2, we need to understand the basic formula for the area of a parallelogram, which is given by: This means that the area depends on both the length of the base and the height of the parallelogram If we know the measurements of both parallelograms, we can calculate their areas
  • Figure ABCD is a parallelogram. A diagonal is drawn from point A to . . .
    A parallelogram is defined as a quadrilateral with opposite sides that are parallel and equal in length This means that not only are AD and BC equal, but also AB equals CD due to the properties of parallelograms
  • Use the slope to determine if the quadrilateral with vertices
    The concept that a parallelogram has two pairs of parallel sides is a fundamental principle in geometry, and it can be cited in textbooks covering properties of quadrilaterals The calculation of slopes can also be found in algebra or pre-calculus textbooks when discussing linear equations and graphing





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