Esther's answer to Nancy's Primary 5 Maths Area & Volume Singapore question.
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Hi, the total perimeter was given so length of AB= total perimeter - length of BC - length of CD - length of DE - length of EA
Date Posted:
5 years ago
and for part b, area of ABCD = area of triangle ABE + area of rectangle BCDE
area of triangle ABE = 1/2 x 40 x 30
area of BCDE = 30 x 20
area of triangle ABE = 1/2 x 40 x 30
area of BCDE = 30 x 20
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