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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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  • 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
  • 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
  • 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
  • What is the area of this parallelogram? - Brainly. com
    The figure shows a parallelogram inside a rectangle outline: A parallelogram is shown within a rectangle The length of the rectangle is 3 over 5 foot, and the width of the rectangle is 2 over 5 foot The two equal bases of the triangles outside the parallelogram are labeled 1 over 5 foot What is the area of the parallelogram?
  • Identify the theorem you can use to show that the quadrilateral is a . . .
    The theorem most suitable to prove a quadrilateral is a parallelogram, based on the provided clues about opposite sides and right angles, is the Parallelogram Opposite Sides Converse So the correct option is c
  • 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
  • If in a parallelogram, its diagonals bisect each other at right angles . . .
    In a parallelogram, if its diagonals bisect each other at right angles and are equal, then it is a square Let's break this down step-by-step: Definition of a Parallelogram: A parallelogram is a four-sided figure (quadrilateral) where opposite sides are both parallel and equal in length In any parallelogram, the 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
  • 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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