tylers2221
tylers2221 tylers2221
  • 24-05-2019
  • Mathematics
contestada

Find x to the nearest hundredth.


7.73 cm


8.12 cm


20.46 cm


23.78 cm

Find x to the nearest hundredth 773 cm 812 cm 2046 cm 2378 cm class=

Respuesta :

gabriellaramsey
gabriellaramsey gabriellaramsey
  • 24-05-2019

Answer:

23.78

Step-by-step explanation:

CAH

x/25

cos18=x/25

25cos18=x

x=23.78

Answer Link
slicergiza slicergiza
  • 24-06-2019

Answer:

23.78 cm

Step-by-step explanation:

Since, We know that,

In a right angle triangle,

[tex]cos \theta=\frac{B}{H}[/tex]

Where, B represents base adjacent to [tex]\theta[/tex]

H represents the hypotenuse adjacent to [tex]\theta[/tex]

Thus, by the given diagram,

[tex]cos 18^{\circ}=\frac{x}{25}[/tex]

[tex]\implies x = 25\times cos 18^{\circ}=23.7764129074\approx 23.78\text{ cm}[/tex]

Hence, Last option is correct.

Answer Link

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