Question

I need help solving this ​

Answer 1

`\textsf{The square symbol indicates 90}^o.\\\textsf{Therefore, }\sf{4x^o}\textsf{\ and 22}^o\ \textsf{sum up to }90^o.\\\sf{4x^o+22^o=90^o}\\\textsf{or, }\sf{4x^o=68^o}\\\textsf{or, }\sf{x^o=17^o}`