L persegi kecil=s×s
=12×12
=144 cm²
L persegi besar=144+145
=289 cm²
Panjang sisi persegi besar=√289
=17 cm
Keliling persegi besar=4×s
=4×17
=68 cm²
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L persegi kecil=s×s
=12×12
=144 cm²
L persegi besar=144+145
=289 cm²
Panjang sisi persegi besar=√289
=17 cm
Keliling persegi besar=4×s
=4×17
=68 cm²
Semoga membantu...