AC Lim's answer to CIA's Primary 6 Maths Measurement Singapore question.

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AC Lim
Ac Lim's answer
12558 answers (A Helpful Person)
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Part C. Hope this helps
CIA
CIA
1 month ago
Why need to add 1 more, the last one can fill completely?
AC Lim
AC Lim
1 month ago
Ah.. sorry.. no need add 1.
Answer = 60.

At 1st I use
290.4 - 7.2(last rectangle) = 283.2
283.2÷4.5=59
So total = 59+1 = 60.

After that found another methods cause mistake :)

I will do correction.
AC Lim
AC Lim
1 month ago
At 1st, I thought don't want to confuse you, in the end I confused myself. :)