Question

Using trig ratios to find the missing side or angle of a right triangle

Answer 1

>> Answer

________

`\:`

cos (31°) = 12/x

0.85 = 12/x

x = 12/0.85

x ≈ 14.1

Answer 2

`\\ \sf\longmapsto cos31=(12)/(x)`

`\\ \sf\longmapsto 0.85=(12)/(x)`

`\\ \sf\longmapsto x=(12)/(0.85)`

`\\ \sf\longmapsto x=14.11`