sstrike's answer to V's Secondary 3 A Maths Singapore question.
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m = 3÷2 = 1.5
red △ = blue △
r = 3×m = 3×1.5 = 4.5
p = -2
red △ = blue △
r = 3×m = 3×1.5 = 4.5
p = -2
Date Posted:
4 years ago
Area →
1 blue △ = ½×2×1.5=1.5
9×1.5=13.5
OR
½×(2+4)×4.5=13.5
1 blue △ = ½×2×1.5=1.5
9×1.5=13.5
OR
½×(2+4)×4.5=13.5
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