Решение:
Угол:
γ° = 180 - α° - β°
= 180 - 60° - 90°
= 30°
Сторона:
a = c·
= 1·
= 1·
= 1·1.732
= 1.732
Сторона:
b = c·
= 1·
= 1·
= 1·2
= 2
Периметр:
P = a + b + c
= 1.732 + 2 + 1
= 4.732
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√2.366·(2.366-1.732)·(2.366-2)·(2.366-1)
=√2.366 · 0.634 · 0.366 · 1.366
=√0.749955998064
= 0.866
Высота :
ha =
=
= 1
hb =
=
= 0.866
hc =
=
= 1.732