Решение:
Угол:
γ° = 180 - α° - β°
= 180 - 25° - 25°
= 130°
Сторона:
a = c·
= 6000·
= 6000·
= 6000·0.5517
= 3310.2
Сторона:
b = c·
= 6000·
= 6000·
= 6000·0.5517
= 3310.2
Периметр:
P = a + b + c
= 3310.2 + 3310.2 + 6000
= 12620.4
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√6310.2·(6310.2-3310.2)·(6310.2-3310.2)·(6310.2-6000)
=√6310.2 · 3000 · 3000 · 310.2
=√17616816360000
= 4197239
Высота :
ha =
=
= 2535.9
hb =
=
= 2535.9
hc =
=
= 1399.1