im pretty sure it's the first option.
I believe the answer would be angle O.
All you do to find this answer is rotate the 2nd figure so it matches the 1st one above it, and look to see which angles...I guess are where and which match each other.
12.
It is easy all you have to do is 15-3 because 1+2=3
Answer:
5cm
Step-by-step explanation:
A=4πr2 = 100πcm2
r = 5