Area Problem #29

What fraction is the shaded area of the equilateral triangle?

equi2

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3 thoughts on “Area Problem #29

  1. I think it is 2/9 (Two over nine).
    Area of the shaded area ÷ Area of the equilateral
    Area of the shaded area = (1.5unit×tan (60) – tan (60)) = 0.86602
    Area of the equilateral = (3×1.5unit×tan(60)÷2) = 3.89711
    0.86602 ÷ 3.89711 = 0.22222
    Am I right?

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