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primary 6 | Maths | Geometry
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Jong
Jong

primary 6 chevron_right Maths chevron_right Geometry chevron_right Singapore

Can anyone pls help me asap thanks

Date Posted: 3 weeks ago
Views: 15

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Perimeter = 3 semicircles' circumference + 2 radii of semicircle
= 3 x ½ x 2πr + 2r
= 3 x ½ x 2 x 22/7 x 21cm + 2 x 21cm
= 99cm + 42cm
= 141cm
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