Use the diagram to determine the value of x. A. x = 132.2
B. x = 4.85
C. x = 15.4
D. x = 17.65

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

If the value of cos330°is√3/2 then find cos 165°.

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?