Square
Formula: A = x²
Rectangle
Formula: A = b x h
Triangle
Formula: A = 1/2 b x h
Circle
Formula: A = πr²
Trapezoid
Formula: A = 1/2(a+b)h
Parallelogram
Formula: A = b x h
Find the area of various 2D shapes easily.
Formula: A = x²
Formula: A = b x h
Formula: A = 1/2 b x h
Formula: A = πr²
Formula: A = 1/2(a+b)h
Formula: A = b x h