Решение:
Угол:
γ° = 180 - α° - β°
= 180 - 1° - 3°
= 176°
Сторона:
a = c·
= 2·
= 2·
= 2·0.2501
= 0.5002
Сторона:
b = c·
= 2·
= 2·
= 2·0.7503
= 1.501
Периметр:
P = a + b + c
= 0.5002 + 1.501 + 2
= 4.001
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√2.001·(2.001-0.5002)·(2.001-1.501)·(2.001-2)
=√2.001 · 1.5008 · 0.5 · 0.00099999999999989
=√0.0015015503999998
= 0.03875
Высота :
ha =
=
= 0.1549
hb =
=
= 0.05163
hc =
=
= 0.03875