bantuin dnggg kawan plisss

23. V = alas (segitiga) × tinggi
= (1/2×a×t) × t
= (1/2×8×6) × 15
= 24 × 15
= 360 cm²
24. V = alas (lingkaran) × tinggi
= (phi × r × r) × tinggi
= (3,14 × 10 × 10) × 10
= 314 × 10
= 3140 cm²
semoga membantu.