sstrike's answer to Mathsgene's Primary 6 Maths Data Analysis Singapore question.
blue = △BCF
【AB//EC】
△ABF = ⅙ □
BF:FD = 1:2
2u = 48 = △BCF = blue
square →
6u = 3×48 = 144 = 12²
Ans: 12 cm
【AB//EC】
△ABF = ⅙ □
BF:FD = 1:2
2u = 48 = △BCF = blue
square →
6u = 3×48 = 144 = 12²
Ans: 12 cm
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