▪ Nilai x
k = 2 × ( p + l )
32 = 2 × (( 3x + 2 ) + ( 2x - 1 ))
32 = 2 × (( 3x + 2x ) + ( 2 - 1 ))
32 = 2 × ( 5x + 1 )
32 = 10x + 2
32 - 2 = 10x
30 = 10x
30/10 = x
3 = x
[tex] \\ \\ [/tex]
▪ Lebar persegi panjang
2x - 1
2( 3 ) - 1
6 - 1
5
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▪ Nilai x
k = 2 × ( p + l )
32 = 2 × (( 3x + 2 ) + ( 2x - 1 ))
32 = 2 × (( 3x + 2x ) + ( 2 - 1 ))
32 = 2 × ( 5x + 1 )
32 = 10x + 2
32 - 2 = 10x
30 = 10x
30/10 = x
3 = x
[tex] \\ \\ [/tex]
▪ Lebar persegi panjang
2x - 1
2( 3 ) - 1
6 - 1
5