Jawaban:
D. 50 cm²
Penjelasan dengan langkah-langkah:
K = 2 x ( p + l )
30 cm = 2 x ( x + 6 + ( 2x - 3 )
30 cm = 2 x ( x + 6 + 2x - 3 )
30 cm = 2 x ( 3x + 3 )
30 cm = 6x + 6
6x = 24
x = 4
P = 6 + 4 = 10 cm
l = 2 × 4 - 3 = 5 cm
L = pl
= 10.5
= 50 cm²
NT - semoga membantu ya !
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Jawaban:
D. 50 cm²
Penjelasan dengan langkah-langkah:
K = 2 x ( p + l )
30 cm = 2 x ( x + 6 + ( 2x - 3 )
30 cm = 2 x ( x + 6 + 2x - 3 )
30 cm = 2 x ( 3x + 3 )
30 cm = 6x + 6
6x = 24
x = 4
P = 6 + 4 = 10 cm
l = 2 × 4 - 3 = 5 cm
L = pl
= 10.5
= 50 cm²
NT - semoga membantu ya !