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primary 5 | Maths
| Whole Numbers
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Date Posted: 5 years ago
Views: 477
ΔABC = ½ x 35 x 30 = 525 cm²
ΔDBC = ½ x 35 x 20 = 350 cm²
ΔEBC = ½ x 35 x 18 = 315 cm²
ABCDE = 525+350 - 315 = 560 cm²
ΔDBC = ½ x 35 x 20 = 350 cm²
ΔEBC = ½ x 35 x 18 = 315 cm²
ABCDE = 525+350 - 315 = 560 cm²
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