I’m pretty sure the answer is A
you could write it as 5:2 & you could also write it as 2:5
Answer:
Step-by-step
In the exponent we write how many times the number is repeated.
x 
If the angles are across from each other and the same degrees, they are vertical angles
if they add up to 90 degrees then they complementary angles
if they add up to 180 degrees they are supplementary angles
if the angles share a side, they are complimentary angles