a/15 = 9/21
a = (9 . 15)/21
a = 135/21
a = 6 3/7
a = 6,428 cm
Nilai b:
b/30 = 9/21
b = (9 . 30)/21
b = 270/21
b = 12 6/7
a/15 = 9/21
a = (9 . 15)/21
a = 135/21
a = 6 3/7
a = 6,428 cm
Nilai b:
b/30 = 9/21
b = (9 . 30)/21
b = 270/21
b = 12 6/7
Editor: Annisa Fadilla
Sumber: buku.kemdikbud.go.id