Решение:
Угол:
γ° = 180 - α° - β°
= 180 - 35° - 35°
= 110°
Сторона:
a = c·
= 2.0·
= 2.0·
= 2.0·0.6104
= 1.221
Сторона:
b = c·
= 2.0·
= 2.0·
= 2.0·0.6104
= 1.221
Периметр:
P = a + b + c
= 1.221 + 1.221 + 2.0
= 4.442
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√2.221·(2.221-1.221)·(2.221-1.221)·(2.221-2.0)
=√2.221 · 1 · 1 · 0.221
=√0.490841
= 0.7006
Высота :
ha =
=
= 1.148
hb =
=
= 1.148
hc =
=
= 0.7006