Any angle that measures less than 90 degree is known as "Acute angle"
In short, Your Answer would be: "Acute Angle"
Hope this helps!
The other part of your ratio is missing
Answer:...,,,.
Step-by-step explanation:.....,l,,
3 rolls of carpet
the square footage of 40ft*60ft=2,400
well then you divide it and you would need 3 rolls because the answer is 2.6 and then you would just round up