Jasper Eng's answer to M's Primary 5 Maths Area & Volume Singapore question.
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Area of ABE
= 1/2 x Base x height
= 1/2 x AB x ED
= 108 cm^2
Area of CED
= 1/2 x base x height
= 1/2 x CD x ED
= 1/2 x ( 1/2 x AB ) x ED (AB is 2 times CD)
= 1/4 x AB x ED
= 108 x 1/2
= 54cm^2 //
= 1/2 x Base x height
= 1/2 x AB x ED
= 108 cm^2
Area of CED
= 1/2 x base x height
= 1/2 x CD x ED
= 1/2 x ( 1/2 x AB ) x ED (AB is 2 times CD)
= 1/4 x AB x ED
= 108 x 1/2
= 54cm^2 //
Date Posted:
3 years ago
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