tolong bantu yaa makasihh

Keliling Lingkaran Atas
= phi x diameter
= 3.14 x 12
= 37.68 Cm

Keliling Lingkaran Bawah
= phi x 24
= 3.14 x 24
= 75.36 Cm

Luas Selimut Kap
= Luas Trapesium Siku-Siku
= 1/2 x Jumlah sisi sejajar x Tinggi
= 1/2 x (37.68 + 75.36) x 8
= 1/2 x 113.04 x 8
= 452.16 Cm2