kelis88honey kelis88honey

15-07-2022
Mathematics

contestada

B = 54°, c = 15, a =_?___ (Round answers to
the nearest hundredth.)

B 54 c 15 a Round answers to the nearest hundredth class=

Respuesta :

jimrgrant1 jimrgrant1

15-07-2022

Answer:

a ≈ 8.82

Step-by-step explanation:

using the cosine ratio in the right triangle

cos54° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{BC}{AB}[/tex] = [tex]\frac{a}{15}[/tex] ( multiply both sides by 15 )

15 × cos54° = a , then

a ≈8.82 ( to the nearest hundredth )

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