Answer:
BCA = 65
Step-by-step explanation:
P(n, r) = n!
____
(n-r)!
= 8!
____
(8-1)!
= 8
6(4c-3). Find which number is common between both (6) and take it out.
The sum of everything is 720 degrees, because of the six sides in this figure.
We sum all angles and get 595
720 - 595 = 125
The answer is 125 degrees