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primary 5 | Maths | Area & Volume
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Bree
Bree

primary 5 chevron_right Maths chevron_right Area & Volume chevron_right Singapore

Please help thanks

Date Posted: 3 years ago
Views: 631
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So you can't just guess the base and height. So you find the whole square /rectangle. Then minus off the 3 little triangles
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Noah
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germaine
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hope this helps!
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Terence Lee
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amira
Amira
3 years ago
why is it 3 x 2 for triangle 1?
Terence Lee
Terence Lee
3 years ago
This is because the 1st triangle has a base of 3 small squares and a height of 2 small squares. Therefore area of 1st triangle = 1/2 × 3 (base) × 2 (height) = 3cm2