Решение:
Сторона:
a =
=
=
= 50
или:
a =
=
=
= 50
или:
a = 2·√b2 - h2
= 2·√35.362 - 252
= 2·√1250.3 - 625
= 2·√625.33
= 50.01
или:
a = 2b·sin(0.5·α°)
= 2·35.36·sin(0.5·90°)
= 2·35.36·0.7071
= 50.01
или:
a = 2b·cos(β°)
= 2·35.36·cos(45°)
= 2·35.36·0.7071
= 50.01
Площадь:
S =
√4· b2 - a2
=
√4· 35.362 - 50.012
=
√4· 1250.3296 - 2501.0001
=
√5001.3184 - 2501.0001
=
√2500.3183
= 625.16
Радиус вписанной окружности:
r =
=
·
√2·35.36-50.01
2·35.36+50.01
=25.01·√0.1715
= 10.36
Радиус описанной окружности:
R =
=
=
=
= 25.01
Периметр:
P = a + 2b
= 50.01 + 2·35.36
= 120.73