Решение:
Угол:
γ° = 180 - α° - β°
= 180 - 45° - 90°
= 45°
Сторона:
a = c·
= 2.4·
= 2.4·
= 2.4·1
= 2.4
Сторона:
b = c·
= 2.4·
= 2.4·
= 2.4·1.414
= 3.394
Периметр:
P = a + b + c
= 2.4 + 3.394 + 2.4
= 8.194
Площадь:
p =
S =√p·(p-a)·(p-b)·(p-c)
=√4.097·(4.097-2.4)·(4.097-3.394)·(4.097-2.4)
=√4.097 · 1.697 · 0.703 · 1.697
=√8.294399963519
= 2.88
hb =
=
= 1.697
hc =
=
= 2.4