dylanhume dylanhume
  • 19-01-2021
  • Mathematics
contestada

Find the length of side BC.
Give your answer to 1 decimal place.
с
14 cm
58°
А.
B

Find the length of side BC Give your answer to 1 decimal place с 14 cm 58 А B class=

Respuesta :

Ca9
Ca9 Ca9
  • 19-01-2021

BC= 11.9 cm or you can say almost 12 cm

Answer Link
jimrgrant1 jimrgrant1
  • 19-01-2021

Answer:

BC ≈ 11.9 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin58° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{BC}{AC}[/tex] = [tex]\frac{BC}{14}[/tex] ( multiply both sides by 14 )

14 × sin58° = BC , then

BC ≈ 11.9 cm ( to 1 dec. place )

Answer Link

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