tolong no 33 gmn y sama caranya

Kelas 8 Matematika
Bab Bangun Ruang

s = √((1/2 . d1)² + (1/2 . d2)²)
s = √((1/2 . 12)² + (1/2 . 16)²)
s = √(36 + 64)
s = √100
s = 10 cm

Luas permukaan
= (2 . 1/2 . d1 . d2) + (4 . s . t)
= (12 . 16) + (4 . 10 . 25)
= 192 + 1.000
= 1.192 cm²