Решение:
Сторона:
a = c·
= 5.1·
= 5.1·
= 5.1·0.8249
= 4.207
Сторона:
b = c·
= 5.1·
= 5.1·
= 5.1·0.2822
= 1.439
Периметр:
P = a + b + c
= 4.207 + 1.439 + 5.1
= 10.75
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√5.373·(5.373-4.207)·(5.373-1.439)·(5.373-5.1)
=√5.373 · 1.166 · 3.934 · 0.273
=√6.728409163476
= 2.594
Высота :
ha =
=
= 1.233
hb =
=
= 3.605
hc =
=
= 1.017