Answer:
we add 49
Step-by-step explanation:
the answer is in the above image
I know this doesn't help but i'm on the same thing and i just don't know
A
Measure of major arc=360°-135° (since one circle adds up to 360)
Major arc=225°
22x^2-20x+21
thats if you meant x^2-10x+21x^2-21