App description

<img src="http://drr.ikcest.org/static/upload/3b/3b7ef5ac-ea78-11e9-be06-00163e0618d6_m.jpg" />

Trapezoidal formula:

1. trapezoidal area \(S= \frac {1}{2} (a+b)h\)

2. Trapezoidal perimeter \(C=a+b+c+d\)

3. Diagonal \(L1H2 = √( h^2 + ( b - √( c^2 - h^2 ))^2 )\)

4. Diagonal \(H1L2 = √( h^2 + ( b - √( d^2 - h^2 ))^2 )\)

Usage example

Input data:

Parallel edge a:5

Parallel edge b:8

Side length c:5

Side length d:7

Height (h): 4

Click "Online Calculation" to output data

Area: 26

Perimeter: 25

Diagonal L1H2: 6.4031242374328485

Diagonal H1L2: 4.592058106708967

Angle (θ): 53.13010235415598 degrees

Angle (Φ): 34.84990457904648 degrees