In any cyclic quadrilateral, angles opposite one another are supplementary, meaning

and given that
, we have
.
By the inscribed angle theorem,


and since

we have

and it follows that

Answer:
a
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Not 100% sure, been a while since i did this stuff but i think A is correct
6 Pack Price:
divide total price by number of bars in the pack
=$7.86 ÷ 6 bars
=$1.31 per bar
20 Pack Price:
=$25 ÷ 20 bars
=$1.25 per bar
ANSWER: The 20 pack is a better deal with a lower price per bar. The 20 pack is $1.25 per bar. The 6 pack is $1.31 per bar.
Hope this helps! :)