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Primary 4 | Maths
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Victor
Victor

Primary 4 chevron_right Maths chevron_right Singapore

Why my sides is 5cm? Rectangle not 4?

Date Posted: 2 years ago
Views: 208
AC Lim
AC Lim
2 years ago
It can be 1,2,3,4,5,6,7 for rectangle. If 8 it becomes square and square is rectangle too.
But in reality, we never call square a rectangle.
Victor
Victor
2 years ago
Understand sir

See 7 Answers

BC = 40 ÷ 8 = 5 cm

Perimeter = 8+5+8+5 = 26 cm
Or
= 2×(8+5)
= 2×13
= 26 cm
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AC Lim
Ac Lim's answer
13088 answers (A Helpful Person)
1st
Victor
Victor
2 years ago
Sir can help me some maths qns?
AC Lim
AC Lim
2 years ago
Yes
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Victor
Victor's answer
13 answers (A Helpful Person)
This section for this qn.. please help
Victor
Victor
2 years ago
This question sir can help? Thank you so much
AC Lim
AC Lim
2 years ago
12cm refer to ? a) 487cm² cannot get :(
Victor
Victor
2 years ago
Yea that’s why I don’t know how to do
Victor
Victor
2 years ago
I still have 2 more to go
AC Lim
AC Lim
2 years ago
answer for b) 546.89g ?
Victor
Victor
2 years ago
Can share workings?
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Victor
Victor's answer
13 answers (A Helpful Person)
Last 2 qns please help
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AC Lim
Ac Lim's answer
13088 answers (A Helpful Person)
Need to find height for pyramid. Hope this is correct.
Victor
Victor
2 years ago
Ok thank you so much
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AC Lim
Ac Lim's answer
13088 answers (A Helpful Person)
Hope this helps
Victor
Victor
2 years ago
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AC Lim
Ac Lim's answer
13088 answers (A Helpful Person)
2a) hope this helps
Victor
Victor
2 years ago
Thank so much
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AC Lim
Ac Lim's answer
13088 answers (A Helpful Person)
2b) Hope it correct.
Victor
Victor
2 years ago
Thank you so much sir.. good night
AC Lim
AC Lim
2 years ago
Please check the calculation. Let me know if answer is wrong.
Victor
Victor
1 year ago
Sir.. can help me please