Question

Luas permukaan balok yang berukuraan 4 cm x 5 cm x 8 cm adalah?

Answer 1

Verified answer

Luas permukaan
= 2 × ( p × l ) + ( p × t ) + ( l × t )
= 2 × ( 4 × 5 ) + ( 4 × 8 ) + ( 5 × 8 )
= 2 × ( 20 + 32 + 40 )
= 2 × 92
= 184 cm2

Answer 2

2×4×5=40 cm
2×4×8=64 cm
2×5×8=80 cm
40 + 64 + 80 = 184 cm2
Semoga membantu