Answer:
A
Step-by-step explanation:
Answer:
Step-by-step explanation: pi r^2
so 42/2 equals 21 radius
volume=22/7 x 21^2
v=1385
The measure of arc AB is 100°.
4/5 because 12/3=4 and 15/3=5
Actually I don't know the answer but what I thing is none of the above.
