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2.ada 4
3.ada 4
4.4×sisi atau sisi×4
5.sisi²
6.Keliling=4×sisi=4×15=60cm
Luas=sisi²=15²=225cm²
2. ada 4
3. ada 4
4. 4×sisi
5.Sisi ×sisi
6. 4×sisi = 4×15= 60
7. 15×15=225