what do you call an angle that is less than 90 degrees

what do you call an angle that is less than 90 degrees. There are some references to what do you call an angle that is less than 90 degrees in this article. If you are looking for what do you call an angle that is less than 90 degrees you've came to the right place. We have posts about what do you call an angle that is less than 90 degrees. You can check it out below.