A right angle degree is always 90 degrees, or 1/4 of the full amount of degrees, which is 360. 90 degrees, is also pi/2 radians, which you will learn in trigonometry and pre-calc.
One expression could be three x to the power of two. Let me know if that's right :)
Why don’t you round the last answer
Answer:
63
Step-by-step explanation:
