Seudónimo Seudónimo
  • 25-07-2019
  • Mathematics
contestada

Find the value of b.

Find the value of b class=

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PleaseHelpThanks
PleaseHelpThanks PleaseHelpThanks
  • 25-07-2019

Answer:

b ≈ 17

Step-by-step explanation:

Using trigonometric ratio, sine we can find side b.

sine x = opposite/hypotenuse

sin 45 = 12/b

b ≈ 17

Answer Link
jimrgrant1 jimrgrant1
  • 25-07-2019

Answer:

b = 12[tex]\sqrt{2}[/tex]

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin45° = [tex]\frac{1}{\sqrt{2} }[/tex]

From the triangle

sin45° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{12}{b}[/tex] = [tex]\frac{1}{\sqrt{2} }[/tex]

Cross- multiply

b = 12[tex]\sqrt{2}[/tex]

Answer Link

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