February 2019 1 6 Report
_____________
| |
| | | | (x-2)cm _____________
(2x+1)cm



perhatika gambar persegi panjang diatas! .Jika keliling bangunan tersebut 40CM, maka hitunglah:
a . nilai x
b. Luas persegi panjang


Bantuin ya make caranya,plisss yang mau aja... Makasih sebelumnya
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