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Keliling pada gambar
- K = 2 × (p + l)
- K = 2 × (10 + 4)
- K = 2 × 14
- K = 28 cm
Keliling sebenarnya
- K = JP ÷ S
- K = 28 ÷ 1/300
- K = 28 × 300/1
- K = 28 × 300
- K = 8.400 cm
- K = 8.400 ÷ 100
- K = 84 ÷ 1
- K = 84 m
