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Area and Perimeter

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  • Name 3 different units of area
    mm2, cm2, m2, km2
  • How do you find the perimeter of a polygon (straight-sided shape)?
    You add the length of each side
  • Find the perimeter!
    19 cm
  • Find the area!
    30
  • Find the perimeter!
    27 mm
  • What is the formula for the area of a rectangle?
    A = L x W
  • Find the area!
    75
  • Find the area!
    12
  • Find the area!
    12
  • Name 3 different units of length
    mm, cm, m, km
  • Find the perimeter!
    20 cm
  • Find the perimeter!
    28 m
  • Find the area!
    16
  • What is the formula for the circumference of a circle?
    C = 2*pi*r or C = pi*diameter
  • Find the area!
    54
  • Find the area!
    195,5
  • What is the perimeter of a circle called?
    Circumference
  • Find the perimeter!
    18 cm
  • What is the formula for the area of a triangle?
    A = 1/2 x base x height
  • Find the perimeter!
    13 cm
  • Find the area!
    216
  • Find the area!
    18
  • Find the area!
    50
  • Find the area!
    16
  • Find the area!
    28
  • Find the area!
    35
  • Find the area!
    67,5
  • Find the area!
    36
  • Find the area!
    24
  • What is the formula for the area of a circle?
    A = pi x r squared
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