bantuin dong kak besok harus dikumpulin :(
Jawab:
Penjelasan dengan langkah-langkah:
Diameter = 2x
r = 2x/2 = x
t = 5x
Luas = 972 phi
Luas = 2 phi (r)(r + t)
972 phi = 2 phi (x)(x + 5x)
972 = 2(x)(x + 5x)
972 = 2(x)(6x)
972 = 12x²
x² = 972/12
x² = 81
x = V81
V = akar kuadrat
x = 9
[answer.2.content]
