oli21wierjelly
oli21wierjelly oli21wierjelly
  • 02-12-2020
  • Mathematics
contestada

this is a trigonometry question . ​

this is a trigonometry question class=

Respuesta :

jimrgrant1 jimrgrant1
  • 02-12-2020

Answer:

AB ≈ 5.6 cm

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos62° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{AB}{BC}[/tex] = [tex]\frac{AB}{12}[/tex] ( multiply both sides by 12 )

12 × cos62° = AB , thus

AB ≈ 5.6 cm ( to 1 dec. place )

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