Решение:
Угол:
γ° = 180 - α° - β°
= 180 - 30° - 90°
= 60°
Сторона:
a = c·
= 1·
= 1·
= 1·0.5774
= 0.5774
Сторона:
b = c·
= 1·
= 1·
= 1·1.155
= 1.155
Периметр:
P = a + b + c
= 0.5774 + 1.155 + 1
= 2.732
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√1.366·(1.366-0.5774)·(1.366-1.155)·(1.366-1)
=√1.366 · 0.7886 · 0.211 · 0.366
=√0.0831899786376
= 0.2884
Высота :
ha =
=
= 0.999
hb =
=
= 0.4994
hc =
=
= 0.5768