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Verified answer
Bangun DatarDiketahui:
p = (2X - 3) cm
l = (x + 5) cm
K persegi panjang = 82 cm
Ditanya:
l = ?
Jawab:
K persegi panjang = 2 (p + l)
82 = 2 (2X - 3 + X + 5)
82/2 = 3X + 2
41 = 3X + 2
41 - 2 = 3X
3X = 39
X = 39/3
X = 13
l = X + 5
l = 13 + 5
l = 18 cm (B).
*semoga membantu. sukses selalu ^_^
Verified answer
☛️ Jawabannya : B.