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primary 5 | Maths | Fractions
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Date Posted: 1 year ago
Views: 296
sstrike
Sstrike
1 year ago
the size of large square is redundant.

shaded is a triangle
if it is not, then missing info of the Q

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sstrike
Sstrike's answer
5567 answers (A Helpful Person)
1st
try
sstrike
Sstrike
1 year ago
shaded is a triangle
if it is not, then missing info of the Q
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sstrike
Sstrike's answer
5567 answers (A Helpful Person)
v common mistakes.
pls be alert
sstrike
Sstrike
1 year ago
shaded is a triangle
if it is not, then missing info of the Q
Xavier Sng
Xavier Sng
1 year ago
Based on the diagram, there is no assumption made regarding the length of the side of the middle square ("5m" clearly stated in the diagram) and the difference in height between the square to the right and the middle square (again, "8m" and "5m" are clearly stated in the diagram, so the difference is irrefutably 3m). Take note that the question specifically states that the squares are placed side-by-side.

There is no mistake in using those said number. Common sense should prevail. Regards.
sstrike
Sstrike
1 year ago
Yes. Side by side stated in the question
Well
Similar triangle
2:5=3:8 ?
(Again this is based on the sense that the shaded is a triangle....)

Thanks for your notes.
Xavier Sng
Xavier Sng
1 year ago
Well, you assumed without support that the shaded shape is a triangle. I am fully aware that it may not be a triangle since the question does not state it, and hence calculated accordingly. Regards
Xavier Sng
Xavier Sng
1 year ago
Please reread the question carefully. It asks for the area of the "shaded figure", not shaded triangle. Regards
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Xavier Sng
Xavier Sng's answer
801 answers (A Helpful Person)
A case of overlooking detail. Please take note.
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Xavier Sng
Xavier Sng's answer
801 answers (A Helpful Person)
Hope this helps. Regards
Xavier Sng
Xavier Sng
1 year ago
Greetings. Please take note that I have assumed that the line joining one of the corners of the 5-cm square and the 8-cm square is NOT a straight line since the question does not state that it is straight. The diagram seems to show otherwise, so there is a flaw in this question. Regards