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Solve for the missing variables. Round to the nearest tenth.

Solve for the missing variables. Round to the nearest tenth.-example-1
User Irblue
by
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1 Answer

3 votes

Answer:

  • 6.6, 10, 35.1°, 10.8

Explanation:

Q1

  • x/7 = sin 71°
  • x = 7sin 71°
  • x = 6.6

Q2

  • x = √8²+6² = √64+36 = √100 = 10

Q3

  • 18/22 = cos x
  • x = arccos 9/11
  • x = 35.1°

Q4

  • 8/x = cos 42°
  • x = 8/ cos 42°
  • x = 10.8
User Sergey Grishchev
by
3.0k points