a. luas permukaan mangkuk;
b. volume mangkuk.
Jawaban:
LP.BOLA = 4×Ο×R×R
= 4×22/7×21×21
= 4×22×3×21
= 88×3×21
= 264×21
= 5.544 CM²
KARENA MANGKUK NYA SETENGAH BOLA MAKA, 5.544÷2= 2.772CM²
VOL.BOLA = 4/3×Ο×R×R×R
= 4/3×22/7×21×21×21
= 4/3×22×3×21×21
= 4/3×66×21×21
= 4/3×1.386×21
= 4/3×29.106
= 116.424/3
= 38.808 CM³
KARENA SETENGAH BOLA MAKA 38.808÷2= 19.404CM³
JADIKAN JAWABAN TERCERDAS KALO BENER
DAN MAAF KALO SALAH
[answer.2.content]