Решение:
Катет:
a = c·sin(α°)
= 0.03·sin(38.95°)
= 0.03·0.6286
= 0.01886
Катет:
b = c·cos(α°)
= 0.03·cos(38.95°)
= 0.03·0.7777
= 0.02333
Угол:
β° = 90°-α°
= 90°-38.95°
= 51.05°
Радиус описанной окружности:
R =
=
= 0.015
Высота :
h =
=
= 0.01467
или:
h = b·sin(α°)
= 0.02333·sin(38.95°)
= 0.02333·0.6286
= 0.01467
или:
h = b·cos(β°)
= 0.02333·cos(51.05°)
= 0.02333·0.6286
= 0.01467
или:
h = a·cos(α°)
= 0.01886·cos(38.95°)
= 0.01886·0.7777
= 0.01467
или:
h = a·sin(β°)
= 0.01886·sin(51.05°)
= 0.01886·0.7777
= 0.01467
Площадь:
S =
=
= 0.00022
Радиус вписанной окружности:
r =
=
= 0.006095
Периметр:
P = a+b+c
= 0.01886+0.02333+0.03
= 0.07219