What is the formula for calculating square meters?

The calculation formula is as follows:

Rectangular: (rectangular area = length × width)

Square: (square area = side length × side length)

Parallelogram: (parallelogram area = base × height)

Triangle: (triangle area = base × height ÷2)

Trapezoid:? (Trapezoidal area = (upper bottom+lower bottom) × height ÷2)

Circle (perfect circle): (area of circle (perfect circle) = π× radius× radius.

Sector: {circle (sector) area = π× radius× radius× sector angle /360}

Cuboid surface area: {cuboid surface area = (length× width+length× height+width× height )× 2}

Cubic surface area: (Cubic surface area = side length × side length ×6)

Sphere surface area (positive sphere): {Sphere surface area (positive sphere) = pi × radius× radius× 4}

Extended data

Unit conversion:

Unit conversion:1m2 (1m2) =100dm? (100 square decimeter) = 10000 cm? ( 10000 cm2)= 1000000mm？ (1000000 mm2) = 0.0001hectare =0.00000 1km? (0.000001km2) = 0.01hectare = 0.00044 1054 acre = 0.00 1 square mile =10+038.

Unit conversion is to convert square meters into square decimeters, square centimeters and square millimeters, and then square the carry between them with units. For example,1m =10dm; 1㎡= 10dm× 10dm = 100dm？ . The rest can be converted by this conversion method.

Unit conversion is the calculation of area unit conversion.

References:

Baidu encyclopedia-square meter