Zadanie 3
Pc = 470 cm2
Pb = 470 - (12 * 35) = 470 - 420 = 50 cm2
Zadanie 4
Pc = 81√3 cm3
Pp = 81√3 : 4 = 20,25√3 cm2
Pole trójkąta równobocznego: (a^2√3) : 4
(a^2√3) : 4 = 20,25√3
a^2√3 = 81√3
a^2 = 81
a = √81 = 9 cm
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Zadanie 3
Pc = 470 cm2
Pb = 470 - (12 * 35) = 470 - 420 = 50 cm2
Zadanie 4
Pc = 81√3 cm3
Pp = 81√3 : 4 = 20,25√3 cm2
Pole trójkąta równobocznego: (a^2√3) : 4
(a^2√3) : 4 = 20,25√3
a^2√3 = 81√3
a^2 = 81
a = √81 = 9 cm