C pizz sales are affected by popular diets
Because these are all congruent, and they're all vertical angles, this would show you that what ever you would do to one side, you do also to the other side.
(56+41)= (97).
Then we do, 180-97= (83).
(Probability of getting 5 out of 10 question correct ) = 5/10
= 1/2