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primary 6 | Maths | Measurement
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Nicole
Nicole

primary 6 chevron_right Maths chevron_right Measurement chevron_right Singapore

Please help, thank you.

Date Posted: 5 months ago
Views: 22

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AC Lim
Ac Lim's answer
2983 answers (A Helpful Person)
1st
I assume the triangle length are diameter for ni and small circles.

Hope this help
Cindy
Cindy
5 months ago
Area of small circle is 18π sq each, need to multiply by 2? Why shaded have to add in the triangle of 36? Thank you.
AC Lim
AC Lim
5 months ago
18 x 22/7 x 22/7 (2 times 22/7, not x2)

Because we take small circle area to minus the of the small circle’s unshaded parts (but this unshaded part we don’t know the area) so I minus from 1/2 big circle and triangle area should not included, so we add in again.
AC Lim
AC Lim
5 months ago
I uploaded another answer for your reference.
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AC Lim
Ac Lim's answer
2983 answers (A Helpful Person)
Hope this way... u can understand.
Nicole
Nicole
5 months ago
Yes, this time I got it, thanks for your patience. Thank you very much.