Square Area Calculator
Formula: Area = side × side
Rectangle Area Calculator
Formula: Area = length × width
Trapezoid Area Calculator
Formula: Area = 0.5 × (base1 + base2) × height
Parallelogram Area Calculator
Formula: Area = base × height
Circle Area Calculator
Formula: Area = π × radius × radius
Sector Area Calculator
Formula: Area = 0.5 × radius × radius × (angle in radians)
Ellipse Area Calculator
Formula: Area = π × major axis × minor axis
Triangle Area Calculator
Formula: Area = 0.5 × base × height