PhysChemTutor's answer to JOAN's Secondary 4 A Maths Singapore question.
in your question, H is 7-5 and 5-3
It is because their distances from the line y = 5 are equal, we can deduce the two widths are also equal to each other. k
It is because their distances from the line y = 5 are equal, we can deduce the two widths are also equal to each other. k
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