Решение:
Сторона:
a =
=
=
= 33.73
Сторона:
b =
=
=
= 121.18
Угол:
β° =
=
= 82°
Площадь:
S =
√4· b2 - a2
=
√4· 121.182 - 33.732
=
√4· 14684.5924 - 1137.7129
=
√58738.3696 - 1137.7129
=
√57600.6567
= 2023.8
Радиус вписанной окружности:
r =
=
·
√2·121.18-33.73
2·121.18+33.73
=16.87·√0.7557
= 14.67
Радиус описанной окружности:
R =
=
121.182
√4·121.182 - 33.732
=
=
= 61.19
Периметр:
P = a + 2b
= 33.73 + 2·121.18
= 276.09