tolong jawab besok mau di kumpulin

L 3/4lingkaran + L1/2 lingkaran
=3/4.3,14.10.10 + 1/2.22/7.7.7
=3/4.314 + 1/2.22.7
=235,5 +77
=312,5 cm^3

K3/4Lingkaran+10+3 +K1/2Lingkaran+7
(3/4.2.3,14.10)+13 + (1/2.2.22/7.7)+7
47,1+13 + 22+7
60.1+29
89.1