Решение:
Сторона:
a = b·
= 10·
= 10·
= 10·0.5077
= 5.077
Сторона:
c = b·
= 10·
= 10·
= 10·0.7778
= 7.778
Периметр:
P = a + b + c
= 5.077 + 10 + 7.778
= 22.86
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√11.43·(11.43-5.077)·(11.43-10)·(11.43-7.778)
=√11.43 · 6.353 · 1.43 · 3.652
=√379.2205747044
= 19.47
Высота :
ha =
=
= 7.67
hb =
=
= 3.894
hc =
=
= 5.006