Kunci Jawaban Matematika Kelas 9 Halaman 303 Latihan 5.3 No 1-5, Luas Permukaan dan Volume Bola

= 4 π x 12^2 = 4 π x 144 =  576 πm^2

V bola = 4/3 πr^2 = 4/3 π x 12^3 = 4/3 π x 1.728 = 4 π x 576 = 2.304 πm^3

b. L permukaan bola = 4 πr^2

= 4π x 5^2 = 4π x 25 = 100πcm^2

V bola = 4.3πr^3 = 4/3π x 5^3 = 4/3π x 125 = 166,7πcm^3

Baca Juga: Kunci Jawaban IPA Kelas 8 SMP MTs Semester 2 Halaman 163, Soal Uraian Uji Kompetensi Bab 10 Nomor 4 -5

c. L permukaan bola = 4πr^2

= 4π x 6^2 = 4π x 36 = 144π dm^2

V bola = 4/3π r^3 = 4/3π x 6^3 = 4/3π x 216 = 4π x 72 = 288π dm^3

d. L permukaan bola = 4πr^2