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primary 5 | Maths | Rate & Ratio
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Nitha
Nitha

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

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Date Posted: 4 years ago
Views: 656
Eric Nicholas K
Eric Nicholas K
4 years ago
Area of triangle is 1/2 x base x perpendicular height (you know what perpendicular means right?)

BCD is 1/2 x 45 x 65 = 1462.5
ABD is 1/2 x 25 x 60 = 750

So their total area is 1462.5 + 750 = 2212.5 cm2.

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LI CHANG TING
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