Question

Can someone pls help me

Answer 1

>> Answer

________

`\:`

Cos (60°) = 80/x

½ = 80/x

1x = 80•2

x = 160

Answer 2

`\\ \sf\longmapsto cos60=(80)/(x)`

`\\ \sf\longmapsto (1)/(2)=(80)/(x)`

`\\ \sf\longmapsto x=80(2)`

`\\ \sf\longmapsto x=160`