Решение:
Сторона:
b = a·
= 4.874·
= 4.874·
= 4.874·2.13
= 10.38
Сторона:
c = a·
= 4.874·
= 4.874·
= 4.874·1.251
= 6.097
Высота :
hc = a·sin(β°)
= 4.874·sin(142.08°)
= 4.874·0.6146
= 2.996
Периметр:
P = a + b + c
= 4.874 + 10.38 + 6.097
= 21.35
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√10.68·(10.68-4.874)·(10.68-10.38)·(10.68-6.097)
=√10.68 · 5.806 · 0.3 · 4.583
=√85.254909192
= 9.233
Высота :
ha =
=
= 3.789
hb =
=
= 1.779