Respuesta :

Answer:

You may recall from geometry that a full rotation is 360 degrees, usually written as 360°. Half a rotation is then 180° and a quarter rotation is 90°.

Step-by-step explanation:

(credits to g00gle)

Well the other person obviously looked it up imma give you a answer from my own knowledge though

A full rotation is 360 and you want a quarter of that which is 90* and times it by 2 which equals 180 it basically saying what’s half of a full rotation.
ACCESS MORE