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perimeter    音标拼音: [pɚ'ɪmətɚ]
n. 周长,周界

周长,周界

perimeter
n 1: the boundary line or the area immediately inside the
boundary [synonym: {margin}, {border}, {perimeter}]
2: a line enclosing a plane areas
3: the size of something as given by the distance around it
[synonym: {circumference}, {perimeter}]

Perimeter \Per*im"e*ter\, n. [Gr. ?; peri` around ? measure:
cf. F. p['e]rim[`e]tre.]
1. (Geom.) The outer boundary of a body or figure, or the sum
of all the sides.
[1913 Webster]

2. An instrument for determining the extent and shape of the
field of vision.
[1913 Webster] Perimetric


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  • Perimeter - Math is Fun
    Perimeter is the distance around a two-dimensional shape 3 + 3 + 3 + 3 + 3 = 5×3 = 15 The perimeter of a circle is called the circumference:
  • Perimeter - Wikipedia
    A perimeter is the length of a closed boundary that encompasses, surrounds, or outlines either a two-dimensional shape or a one-dimensional line The perimeter of a circle or an ellipse is called its circumference
  • Perimeter Calculator
    Use this perimeter calculator to easily calculate the perimeter of common bodies like a square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, regular octagon, and sector of a circle
  • How To Find Perimeter? Definition, Formulas, Examples, Facts
    In geometry, the perimeter of a shape is defined as the total length of its boundary The perimeter of a shape is determined by adding the length of all the sides and edges enclosing the shape
  • Perimeter - Definition, Examples | How to Find Perimeter? - Cuemath
    Perimeter is the total length of the boundary of any closed shape Explore and learn with concepts, definitions, formulas, solved examples, and practice questions at Cuemath
  • How to Find Perimeter in 3 Easy Steps - Mashup Math
    For each example of how to find perimeter in this guide, we will use a simple 3-step method for finding perimeter that you can use to find the perimeter of any shape and to solve any math problem involving perimeter
  • PERIMETER Definition Meaning - Merriam-Webster
    In geometry, perimeter refers to the boundary of a closed plane figure You might remember calculating perimeters in school If each side of an equilateral triangle measures 9 feet, then the perimeter of the triangle measures 27 feet
  • Perimeter - Math. net
    The perimeter is the total length or distance around a two dimensional shape In the figure below, the perimeter of each shape is the sum of the lengths of each side, shown in red
  • Perimeter - Meaningful Math
    Perimeter is the total distance around a two-dimensional shape, found by adding the lengths of all its sides It is expressed in linear units such as meters (m), inches (in), or feet (ft) because it measures length, not area
  • Perimeter formulas, Perimeter - Math10
    Perimeter of a parallelogram Since the opposite sides of a palallelogram are equal in length its perimeter is P = a + b + a + b or:





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