Question

What is the value of x?A. 10B. 15C. 30D. 45

Answer 1

Given data:

The given figure is shown.

The expression for the complimentary angle is,

`\begin{gathered} 30^(\circ)+2x=90^(\circ) \\ 2x=90^(\circ)-30^(\circ) \\ 2x=60^(\circ) \\ x=30^(\circ) \end{gathered}`

Thus, the (C) option is correct.