How do you use Greek letters in pages, 5.5.2? Need to use some Greek letters using pages, 5.5.2?
Open the Character Viewer and drag the letters from there in to your document.



If you have to use it more frequently you can set it up bit automated, in the syst pref- Keyboard- Text. Then assign a Greek letter to some word like when you type Beta it would be replaced with Greek β.