Jawabannya apa yah kak?​

Jawaban:

C. 260cm

Penjelasan:

Luas permukaan 4(10×5)+2(6×5)=4×50+2×30=200+60=260

Jawaban:

D

Penjelasan:

L = 2 × [ ( p × l ) + ( p × t ) + ( l × t )

= 2 × [ ( 10 cm × 5 cm ) + ( 10 cm × 6 cm ) + ( 5 cm × 6 cm ) ]

= 2 × [ ( 50 cm ) + ( 60 cm ) + ( 30 cm) ]

= 2 × 140

= 280 cm²