I think it is 60.05 if not im sorry
Y= 10 because you have a 180 degree angle split in half which equals 90 degrees so 3•30=90 the the other side has to equal 90 degrees so 2•30=60 then 3•10=30 so then just add 60 and 20 and there is your 90
Answer:
420cm cubed
Step-by-step explanation:
The measure of the angle is 50 degrees because it is half the arc that it is enclosed by