Q. ( 50 + ) ( Terakhir)Tentukan Luas Permukaan Balok, Volume Balok, Dan Keliling Balok Dengan Panjan.... Question from @muhammadpedroza684

sevaferiano188

Jawaban:

= 2(pl+pt+lt)

= 2(12.12)+(12.42)+(12.42)

= 2(144+504+504)

= 2(1.152)

= 2.304 cm²

= p×l×t

= 12.12.42

= 144.42

= 6.048 cm³

keliling

= 4(p+l+t)

= 4(12+12+42)

= 4(24+42)

= 4(66)

= 264 cm

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Diketahui :

panjang = 12 cm

lebar = 12 cm

tinggi = 42 cm

Ditanya :

a. Lp ... ?

b. v ... ?

c. kll ... ?

Jawaban :

a. Lp = 2 × (pl + pt + lt)

= 2 × ((12 × 12) + (12 × 42) + (12 × 42)

= 2 × (144 + 504 + 504)

= 2 × 1.152

= 2.304 cm²

===========

b. v = p × l × t

= 12 × 12 × 42

= 6.048 cm³

===========

c. kll = 4 × (p + l + t)

= 4 × (12 + 12 + 42)

= 4 × 66

= 264 cm

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