Brainteaser - Semicircles

xxxxx xxxx \(x\) xxxxxx xxx xxxxxxxx xxxxxxxx xxx xxxxxxxxx xxxxxx x xxxxxx, xxxx xx xxx xxxxxxxxxxx xxxx xxx \(x\) xxxxxx xxx xxxxxx xxx xxxx xxxxxxxxxx? xxxxxxxxxxxx, xxxxxxxxx xxxx xxxxxxxxxxx xxx \(x=xxx\). xxxxxxx xxxx xxxxxx xx xxx xxxx \(\xxxx{x}{x^x}\) xxx xxxxxxxx \(x\), \(x\), \(x > x\) xxxx \(x\) xxxxxxxxx, xxx xxxx xxx xxx \(x+x+x\).