Chua Yong Qi's answer to Alice's Primary 6 Maths Measurement Singapore question.

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Chua Yong Qi
Chua Yong Qi's answer
22 answers (Tutor Details)
1st
use x to represent the breadth, so height will be 2x. for the parts where the rectangles are joined together, the exposed part is the height minus the breadth, so it is x.