Решение:
Сторона:
a = c·
= 2.5·
= 2.5·
= 2.5·0.684
= 1.71
Сторона:
b = c·
= 2.5·
= 2.5·
= 2.5·0.5321
= 1.33
Периметр:
P = a + b + c
= 1.71 + 1.33 + 2.5
= 5.54
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√2.77·(2.77-1.71)·(2.77-1.33)·(2.77-2.5)
=√2.77 · 1.06 · 1.44 · 0.27
=√1.14159456
= 1.068
Высота :
ha =
=
= 1.249
hb =
=
= 1.606
hc =
=
= 0.8544