protractor

ریشه

From Latin 'protractus', past participle of 'protrahere' meaning 'to draw out'. Named for its function of 'drawing out' angles.

مثال

• The student used a protractor to measure the angles in his geometry homework.
• The architect's protractor was an essential tool in his work.
• She misplaced her protractor and had to borrow one from a classmate.

ترکیب‌های رایج

Use a protractor Measure with a protractor Protractor for geometry