kaylaslomski kaylaslomski

26-06-2020
Mathematics

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Which proportion could be used to find the length of side b?

Which proportion could be used to find the length of side b class=

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jimrgrant1 jimrgrant1

26-06-2020

Answer:

C

Step-by-step explanation:

Using the Sine rule in Δ ABC

Calculate the measure of ∠ C

∠ C = 180° - (64 + 85)° = 180° - 149° = 31° , then

[tex]\frac{sin31}{9.3}[/tex] = [tex]\frac{sin85}{b}[/tex] → C

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