Ответ учителя по предмету Математика
V=(1/3)*π*S*h=(13)*π*b²*h
b=a*sin(α/2)
h=a*cos(α/2) ⇒
V=(1/3)*π*a²sin²(α/2)*a*cos(α/2)=(π/3)*a³*sin(α/2)*sin(α/2)*cos(α/2)
V=(π/6)*a³*sinα*sin(α/2).
V=(1/3)*π*S*h=(13)*π*b²*h
b=a*sin(α/2)
h=a*cos(α/2) ⇒
V=(1/3)*π*a²sin²(α/2)*a*cos(α/2)=(π/3)*a³*sin(α/2)*sin(α/2)*cos(α/2)
V=(π/6)*a³*sinα*sin(α/2).
Похожие вопросы от пользователей
1. Раскройте скобки, используя Conditional 2.
a)If I (visit) inhabited island, he take all neseccary thing.
b)If he (drive) his car more carefully, he (not break) in car crach.
c) If this woman (know) her neigbor better, she ( not lend) him money.
d) If I( to be) president, I (raise) wages.