Christmas MT's answer to Alice's Primary 6 Maths Ratio Singapore question.

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Christmas MT
Christmas Mt's answer
3182 answers (A Helpful Person)
1st
It is important to note that the area of A plus B is half of the total area of the square. The total area of C and D forms the other half of the area.
goodsamathritan
Goodsamathritan
4 years ago
total units should be 20.