Answer: 42
Step-by-step explanation:
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:
