September 2018 1 32 Report
Suatu persegipanjang mempunyai panjang (3x + 10) cm dan lebarnya (x + 10) cm. Jika keliling persegipanjang tersebut 144 cm, maka panjang dan lebar persegipanjang adalah....
a. 37 cm dan 35 cm
b. 39 cm dan 33 cm
c. 42 cm dan 30 cm
d. 49 cm dan 23 cm
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