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primary 6 | Maths | Ratio
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Chris
Chris

primary 6 chevron_right Maths chevron_right Ratio chevron_right Singapore

Please help

Date Posted: 4 years ago
Views: 257
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snell
Snell
4 years ago
4/5 A = 3/4 B
16A = 15B

area
A: 15u
B = 16u

15u + 5 = 16u
1u = 5


area
A = 75
B = 80

length of A = 75/5 = 15 cm

length of B = 16 cm


diff. in perimeter = (16-15) x 2 = 2 cm


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Kathir Lakshmanan
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Chris
Chris
4 years ago
Thank you.