Решение:
Сторона:
a = c·
= 1580·
= 1580·
= 1580·1.135
= 1793.3
Сторона:
b = c·
= 1580·
= 1580·
= 1580·1.106
= 1747.5
Периметр:
P = a + b + c
= 1793.3 + 1747.5 + 1580
= 5120.8
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√2560.4·(2560.4-1793.3)·(2560.4-1747.5)·(2560.4-1580)
=√2560.4 · 767.1 · 812.9 · 980.4
=√1565309522999.5
= 1251123
Высота :
ha =
=
= 1395.3
hb =
=
= 1431.9
hc =
=
= 1583.7