AC Lim's answer to CZou's Primary 5 Maths Fractions Singapore question.
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1. Big triangle - Small triangle
Big Triangle area
= ½ × 18 × 9
= 81
Small triangle
=½ × 18 × 4
= 36
Shaded area
= 81 - 36
= 45cm²
2. ½ x 18 × (9-4) = 45 cm²
1. Big triangle - Small triangle
Big Triangle area
= ½ × 18 × 9
= 81
Small triangle
=½ × 18 × 4
= 36
Shaded area
= 81 - 36
= 45cm²
2. ½ x 18 × (9-4) = 45 cm²
Date Posted:
2 years ago
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