Geometry formulas for area and perimeter of shapes

Perimeter of the trapezoid
Trapezoid
$$P = a + b + h · \bigg(\frac{1}{\sin(\theta)}+\frac{1}{\sin(\varphi)}\bigg) $$
Enter lengths and angles
(Use decimal separator ".")
Height, h  
Side length, a  
Side length, b  
Angle, θ  
Angle, φ  
Length