Calculo de areas y angulos de un poligono

Triangulo ABE

A=ss-as-bs-c
A=9.7659.765-8.979.765-5.619.765-4.95
A=9.7650.7954.1554.815
A=155.3126021
A = 12.46244768 m²
s= a+b+c2
s= 8.97+5.61+4.952
s= 19.532
S = 9.765

Triangulo EBCA=1313-6.7513-10.2813-8.97
A=136.252.724.03
A=890.63
A = 29.84342474 m²
s=a+b+c2
s= 6.75+10.28+8.972
s=262
S = 13
Triangulo ECD

A=ss-as-bs-c
A=10.6410.64-5.6910.64-5.3110.64-10.28
A=10.644.955.330.36
A= 101.0593584
A = 10.05282838 m²
s=a+b+c2
s=5.69+5.31+10.282
S = 10.64

Ángulos del Triangulo ABE
CosA2= ss-abc
Cos A2= 9.7659.765-8.975.614.95
Cos A2=9.7650.79527.7695
Cos A2= 7.76317527.7695
Cos A2= 0.528732076
A2= 0.528732076Cos
A=2cos-10.528732076
≮A=116° 9’ 37.25’’

CosB2= ss-bac
Cos B2= 9.7659.765-5.618.974.95
Cos B2= 9.7654.15544.4015
Cos B2=40.57357544.4015
Cos B2= 0.913788385
Cos B2=0.955922792
B2= 0.955922792Cos
B=2cos-10.955922792
≮B=34° 8’ 57.8’’

Cosc2= ss-cab
Cos C2= 9.7659.765-4.958.975.61
Cos C2= 9.7654.81550.3217
CosC2= 47.01847550.3217
Cos C2=0.966621871
C2= 0.966621871Cos
C=2cos-10.966621871
≮C=29° 41'24.95''

Suma de los Ángulos del Triangulo EBC
≮A=116° 9’ 37.25’’
≮B=34° 8’ 57.8’’
≮C=29° 41'24.95''--------------------------------
≮Total=180° 0' 0''

Ángulos del Triangulo EBC
CosA2= ss-abc
Cos A2= 1313-6.7510.288.97
Cos A2= 136.2592.2116
Cos A2= 81.2592.2116
Cos A= 0.881125585A2= 0.938682899Cos
A=2cos-10.938682899
≮A=40° 19’ 40.6’’

CosB2= ss-bac
Cos B2= 1313-10.286.758.97
Cos B2= 132.7260.5475
Cos B= 35.3660.5475
Cos B2= 0.584004294
Cos B2=0.764201736
B2=0.764201736Cos
B=2cos-10.764201736
≮B=80° 19’ 40.6’’

Cosc2= ss-cab
Cos C2= 1313-8.976.7510.28
Cos C2= 134.0369.39
Cos C2= 52.3969.39
Cos C2=0.755007926
Cos C2=0.86891192
C2= 0.86891192Cos≮C=59° 20'6.41''

Suma de los Ángulos del Triangulo EBC
≮A=40° 20’ 12.98’’
≮B=80° 19’ 40.6’’
≮C=59° 20'6.41''
--------------------------------
≮Total=180° 0' 0''

Ángulos del Triangulo...