Решение:
Катет:
a = c·sin(α°)
= 0.03·sin(51.07°)
= 0.03·0.7779
= 0.02334
Катет:
b = c·cos(α°)
= 0.03·cos(51.07°)
= 0.03·0.6284
= 0.01885
Угол:
β° = 90°-α°
= 90°-51.07°
= 38.93°
Радиус описанной окружности:
R =
=
= 0.015
Высота :
h =
=
= 0.01467
или:
h = b·sin(α°)
= 0.01885·sin(51.07°)
= 0.01885·0.7779
= 0.01466
или:
h = b·cos(β°)
= 0.01885·cos(38.93°)
= 0.01885·0.7779
= 0.01466
или:
h = a·cos(α°)
= 0.02334·cos(51.07°)
= 0.02334·0.6284
= 0.01467
или:
h = a·sin(β°)
= 0.02334·sin(38.93°)
= 0.02334·0.6284
= 0.01467
Площадь:
S =
=
= 0.00022
Радиус вписанной окружности:
r =
=
= 0.006095
Периметр:
P = a+b+c
= 0.02334+0.01885+0.03
= 0.07219