Answer:
b.
Explanation:
α=36∘ β=90 ∘ α+β+γ = 180∘ γ = 180∘ −α−β = 180∘ −36∘ −90∘ = 54∘
a=43
a b = sinα sinβ b=a⋅ sinα sinβ b=43⋅ sin36 ∘
sin90∘ =73.16
a c = sinα sinγ c=a⋅ sinα sinγ c=43⋅ sin36 ∘ sin54 ∘ =59.18
b=73.16
c=59.18
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