Решение:
Угол:
γ° = 180 - α° - β°
= 180 - 146.1° - 35.5°
= -1.6°
Сторона:
a = c·
= 107.6·
= 107.6·
= 107.6·-19.97
= -2148.8
Сторона:
b = c·
= 107.6·
= 107.6·
= 107.6·-20.8
= -2238.1
Периметр:
P = a + b + c
= -2148.8 + -2238.1 + 107.6
= -4279.3
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√-2139.7·(-2139.7--2148.8)·(-2139.7--2238.1)·(-2139.7-107.6)
=√-2139.7 · 9.1000000000004 · 98.4 · -2247.3
=√4305766050.9866
= 65618.3
Высота :
ha =
=
= -61.07
hb =
=
= -58.64
hc =
=
= 1219.7