AC Lim's answer to Justin's Primary 5 Maths Fractions Singapore question.
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Area of small △ = ½×4×4 = 8
Total have 2 small △ = 2×8 =16
Area of big △ = ½×10×10 = 50
Total have 2 big △ = 2×50 = 100
Area of square = 14×14 = 196
Therefore, shaded area
= 196-16-100
= 80 cm²
Hope this helps
Total have 2 small △ = 2×8 =16
Area of big △ = ½×10×10 = 50
Total have 2 big △ = 2×50 = 100
Area of square = 14×14 = 196
Therefore, shaded area
= 196-16-100
= 80 cm²
Hope this helps
Date Posted:
3 years ago
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