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17-05-2022
Mathematics

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In ΔABC, if C is a right angle, what is the measure of x?

In ΔABC if C is a right angle what is the measure of x class=

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jimrgrant1 jimrgrant1

17-05-2022

Answer:

x ≈ 72.3°

Step-by-step explanation:

using the cosine ratio in the right triangle

cos x = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{AC}{AB}[/tex] = [tex]\frac{7}{23}[/tex] , then

x = [tex]cos^{-1}[/tex] ( [tex]\frac{7}{23}[/tex] ) ≈ 72.3° ( to the nearest tenth )

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