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hollycoleman13
06.10.2021 •
Mathematics
What are formulas for area and perimeter for all shapes.
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Ответ:
Perimeter formula
○Circle2 × pi × radius
□Square4 × side
⎕Rectangle2 × (length + width)
▱Parallelogram2 × (side1 + side2)
△Triangleside1 + side2 + side3
⬠Regular n-polygonn × side
⏢Trapezoidheight × (base1 + base2) / 2
⏢Trapezoidbase1 + base2 + height × [csc(theta1) + csc(theta2)]
⬭Ellipse4 × radius1 × E(k,pi/2)
E(k,pi/2) is the complete elliptic integral of the second kind
k = (1/radius1) × sqrt(radius12 - radius22)
Step-by-step explanation:
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Ответ:
Area of Rectangle
Area = l × wl = length
w = width
Area of Square,
Area = a2,
a = sides of the square
Area of a TriangleArea = 1/2 b×hb = base
h = height
Area of a Circle,
Area = πr2
, r = radius of the circle
Area of a TrapezoidArea = 1/2 (a + b)ha =base 1
b = base 2
h = vertical height
Area of Ellipse ,
Area = πab ,
a = radius of the major axis
b = radius of the minor axis
Step-by-step explanation:
perimeter formula:Parallelogram2(Base + Height)
Triangle
a + b + ca,
b and c being the side lengths
Rectangle2(Length + Width)
Square4aa =Length of a side
Trapezoida +b+c+da, b, c, d being the sides of the trapezoid
Kite2a + 2ba = Length of the first pair of equal sides
b = Length of the second pair of equal sides
Rhombus4 x aa = Length of a side
Hexagon6 x aa = Length of a side
Ответ: