Answer:
6.3 sq ft
Explanation:
Area of entire Δ = 1/2·(4)(1.9+3.1)
= 2(5)
= 10 sq ft
Area of unshaded Δ = 1/2 ·(4)·(1.9)
= 2(1.9) =3.8 sq ft
Area of shaded Δ = 10.0 - 3.8 = 6.2 sq ft
its not clear to see sorry for taking your points just letting you know
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