Question

berapa luas permukaan balok dengan panjang 5 cm , lebar 8 cm , tinggi 20 cm....

bantu kk ​

Answer 1

Jawaban:

LP balok = 2×(p×l+p×t+l×t)

= 2× (5×8+5×20+8×20)

= 2× (40+100+160)

=2× 300

= 600 cm²

Answer 2

Jawaban:

600 cm

Penjelasan dengan langkah-langkah:

Lp = 2 × ( p × l ) + ( p × t ) + ( l × t )

= 2 × ( 5 × 8 ) + ( 5 × 20 ) + ( 8 × 20 )

= 2 × ( 40 ) + ( 100 ) + ( 160 )

= 2 × 300

= 600 cm

semoga membantu