Answer:
Square area formula: A = a²
Rectangle area formula: A = a × b.
Triangle area formulas: A = b × h / 2 or. ...
Circle area formula: A = πr²
Circle sector area formula: A = r² × angle / 2.
Ellipse area formula: A = a × b × π
Trapezoid area formula: A = (a + b) × h / 2.
Parallelogram area formulas:
Explanation:
Area is the term used to define the amount of space taken up by a 2D shape or surface. We measure area in square units : cm² or m². Area is calculated by multiplying the length of a shape by its width.