isaiah447p
isaiah447p isaiah447p
  • 03-06-2021
  • Mathematics
contestada

Solve for xx. Round to the nearest tenth, if necessary. ​

Solve for xx Round to the nearest tenth if necessary class=

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sreedevi102
sreedevi102 sreedevi102
  • 03-06-2021

Answer:

x = 4.3

Step-by-step explanation:

[tex]cos 21 = \frac{adjacent}{hypotenuse} = \frac{4}{x}\\\\x = \frac{4}{cos21} = 4.28[/tex]

x= 4.3

Answer Link
bhadelsimron19
bhadelsimron19 bhadelsimron19
  • 03-06-2021

Answer:

Step-by-step explanation:

take 21 degree as reference angle

using cos rule

cos 21=adjacent/hypotenuse

0.93=4/x

x=4/0.93

x=9.67

x=9.7

Answer Link

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