Решение:
Катет:
a = c·sin(α°)
= 0.03·sin(38.39°)
= 0.03·0.621
= 0.01863
Катет:
b = c·cos(α°)
= 0.03·cos(38.39°)
= 0.03·0.7838
= 0.02351
Угол:
β° = 90°-α°
= 90°-38.39°
= 51.61°
Радиус описанной окружности:
R =
=
= 0.015
Высота :
h =
=
= 0.0146
или:
h = b·sin(α°)
= 0.02351·sin(38.39°)
= 0.02351·0.621
= 0.0146
или:
h = b·cos(β°)
= 0.02351·cos(51.61°)
= 0.02351·0.621
= 0.0146
или:
h = a·cos(α°)
= 0.01863·cos(38.39°)
= 0.01863·0.7838
= 0.0146
или:
h = a·sin(β°)
= 0.01863·sin(51.61°)
= 0.01863·0.7838
= 0.0146
Площадь:
S =
=
= 0.000219
Радиус вписанной окружности:
r =
=
= 0.00607
Периметр:
P = a+b+c
= 0.01863+0.02351+0.03
= 0.07214