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primary 6 | Maths | Geometry
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Sanjana
Sanjana

primary 6 chevron_right Maths chevron_right Geometry chevron_right Singapore

Pls help

Date Posted: 1 week ago
Views: 12
snell
Snell
1 week ago
(a)
*a total of 10 circles

perimeter
= circumference of 10 circles
= 10 x 2 x π x 7
= 440 cm

(b)
area of 1 circle
= π x 7 x 7
= 154 cm²

area of 9 circles
= 9x154
= 1386 cm²

area of rectangle = L x B
= (7x14) x (4x14)
= 5488 cm²

area of rug
= 5488+1386-154
= 6720 cm²

...

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Chan Zhi Zhen
Chan Zhi Zhen's answer
81 answers (Tutor Details)
1st
:)
Sanjana
Sanjana
1 week ago
Thank You so much