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primary 5 | Maths
| Whole Numbers
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Date Posted: 2 years ago
Views: 199
△FJH = ½ ×(8+12)×12
= 120 cm²
O is cross point of line FJ & KH
△FOH = ½ ×(8+12)×7.5
= 75 cm²
shaded
= △FJH - △FOH
= 120 - 75
= 45 cm² (Ans)
OR
12 - 7.5 = 4.5
shaded
= ½ ×(8+12)×4.5
= 45 cm² (Ans)
= 120 cm²
O is cross point of line FJ & KH
△FOH = ½ ×(8+12)×7.5
= 75 cm²
shaded
= △FJH - △FOH
= 120 - 75
= 45 cm² (Ans)
OR
12 - 7.5 = 4.5
shaded
= ½ ×(8+12)×4.5
= 45 cm² (Ans)
See 3 Answers
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Date Posted:
2 years ago
O is cross point of line FJ & KH
Thanks a lot
welm
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2 - methods
Date Posted:
2 years ago
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