Tolong dijawab ya , pake cara nya juga
Matematika
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Tolong dijawab ya , pake cara nya juga
1 Jawaban
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1. Jawaban Nik001
Keliling = 2 x ( p + l )
52 cm = 2 x ( 3x - 5 + x + 3 )
52 cm = 2 x ( 4x - 2 )
52 cm = 8x - 4
8x = 52 + 4
8x = 56
x = 56/8
x = 7
Panjang
= 3x - 5
= 3(7) - 5
= 21 - 5
= 16 cm
Lebar
= x + 3
= 7 + 3
= 10 cm