Every square and rhombus has, and any other polygon with more than four sides may have.
Also, many shipping and packing cartons and crates have.
Shapes with four congruent sides include rhombuses and squares. A square is a specific type of rhombus, with all angles equal to 90 degrees. Both shapes are common in various real-world applications, such as tiles and packaging.
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66, 72, 84 ....Penjelasan dengan langkah-langkah:18 - 12 = 630 - 18 = 1236 - 30 = 648 - 36 = 1254 - 48 = 6angka nya ditambah seperti ini secara berulangberarti angka ke 7 = 54 + 12 = 66 angka ke 8 = 66 + 6 = 72 angka ke 9 = 72 + 12 = 84berarti 3 angka setelahnya adalah 66, 72, dan 84