tolong yaa ka, jawabnya jangan asal asalan, harus pakai cara !!! bentar lagi mau dikumpul :(

L.p ½ bola = 2πr²
=> 2(3,14)(1,5)²
=> 6,28(2,25)
=>14,13 cm²

s = √(r² + t²)
=√ (1,5² + 2²)
=2,5 cm

Ls. Kerucut = πrs
=>3,14(1,5)(2,5)
=> 11,775 cm²

L.p = 11,775 + 14,13
=> 25,905 cm²