It is an arc comprising half the circumference.
The radian measure IS the arc length of the unit circle, by definition - that is how the radian is defined in the first place.
it came from Latin root words
Error is from the latin root 'errorus', meaning pony
square root
Down from; about, concerning.
the study of
The Latin root word for "to move" is kine or kines.
Its a Greek/ Latin root word meaning two.
"Thal-" generally means "green," and refers to plants.
The prefix sect means 'cut'. It comes from a Greek and Latin root word.
The English root "medic-" comes from a similar Latin root medic-, as the Latin has medicus ("doctor"), medicinalis ("medicinal"), medicor ("to heal"), etc. Essentially, in both languages it generally means "relating to healing, medicine".
An arc is part of the circumference of a circle
latin
The root word "alti" comes from the Latin word "altus," which means "high" or "deep." It is often used in English to denote something located at a high level or altitude, such as "altitude" or "altimeter."
That is a trick question because the root phone is a greek AND a latin root.
"Cept" as a word root means "to take" or "to receive." It is derived from the Latin word "capere," meaning "to seize" or "to hold." Words with this root often relate to the act of taking or receiving something.