Geometry Formulas

Front

Formula for area of triangle

Back

(Base * Height) / 2

Front

Formula for area of rectangle

Back

Length * Width

Front

Formula for area of circle

Back

π * Radius^2

Front

Formula for area of semi-circle

Back

(π * Radius^2) / 2

Front

Formula for perimeter

Back

Sum of all sides

Front

Formula for perimeter of a semi-circle

Back

π * diamter /2 + Diameter

Front

Formula for circumference

Back

π * Diameter

Front

Radius

Back

Diameter/2

Front

Diameter

Back

2 * Radius