Yawen Kuan's answer to Tristann's Primary 6 Maths Measurement Singapore question.

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Yawen Kuan
Yawen Kuan's answer
23 answers (A Helpful Person)
1st
First, understand that the horizontal side next to the vertical 7cm and 4cm are also 7 and 4 respectively. Then subtract from total length and divide by two to find length of cuboid