• Lp balok = 2 × ( p × l ) + ( p × t ) + ( l × t )
= 2 × ( 10 × 5 ) + ( 10 × 8 ) + ( 5 × 8 )
= 2 × ( 50 + 80 + 40 )
= 2 × 170
= 340 cm²
Jawaban:
L= 2 x (( p x l ) + ( l x t ) + ( p x t)
= 2 x (( 10 x 8 ) + ( 8 x 5 ) + ( 10 x 5)
= 2 x ( 80+40+50)
= 2 x 170
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• Lp balok = 2 × ( p × l ) + ( p × t ) + ( l × t )
= 2 × ( 10 × 5 ) + ( 10 × 8 ) + ( 5 × 8 )
= 2 × ( 50 + 80 + 40 )
= 2 × 170
= 340 cm²
Jawaban:
L= 2 x (( p x l ) + ( l x t ) + ( p x t)
= 2 x (( 10 x 8 ) + ( 8 x 5 ) + ( 10 x 5)
= 2 x ( 80+40+50)
= 2 x 170
= 340 cm²