From SOH CAH TOA,
.. cos(22°) = x/11 . . . . . fill in given values for C = A/H
.. 11*cos(22°) = x . . . . . multiply by 11
.. 11*0.927184 = x . . . .use a calculator to find cos(22°)
.. 10.1990 = x . . . . . . . use a calculator to do the multiplication
x ≈ 10.2 . . . . . . . . . . . round to the nearest tenth