Math Formulas


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A

Area of a circle

Formula = \(\pi r^2 \).
Where,
r = the radius of the circle, and
\(\pi\) = a constant with approximate 3.142.
Unit of measurement = cubic unit, e.g \(cm^2\)
Entry link: Area of a circle

Area of a cuboid

Formula = 2WL + 2LH + 2WH.
That is, (2 * W * L) + (2 * L * H) + (2 * W * H):
Where,
W = the width of the cuboid, and
L = the length of the cuboid, and
H = the height of the cuboid.
Unit of measurement = cubic unit, e.g \(cm^2\)
Entry link: Area of a cuboid

Area of a parallelogram

Formula = b * h.
Where,
b = the base of the parallelogram, and
h = the perpendicular height of the parallelogram.
Unit of measurement = cubic unit, e.g \(cm^2\)
Entry link: Area of a parallelogram

Area of a rectangle

Formula = L * B.
Where,
L = the length of the rectangle, and
B = the breadth of the rectangle.
Unit of measurement = cubic unit, e.g \(cm^2\)
Entry link: Area of a rectangle

Area of a square

Formula = \(a^2\).
Where,
a = the length of one of the sides of the square.
Unit of measurement = cubic unit, e.g \(cm^2\)
Entry link: Area of a square

Area of a trapezium

Formula = \(\frac{1}{2}\)h * (a + b)
Where,
a and b = the 2 parallel sides of the trapezium, and
h = the perpendicular height of the trapezium.
Unit of measurement = cubic unit, e.g \(cm^2\)
Entry link: Area of a trapezium

Area of a triangle

Formula = \(\frac{1}{2}\)b*h.
Where,
b = the base of the triangle, and
h = the height of the triangle.
Unit of measurement = cubic unit, e.g \(cm^2\)
Entry link: Area of a triangle