Answer:
3.89 - 8.911 = -5.021
Pi really goes on for infinity, but here are the first seven numbers:
3.14159
A= 61
B=119
Step by step:
a; interior angle
180-(27+92)
=180(119)
=61
b; exterior angle
180-61
=119
431.2
Step-by-step explanation:
hope this helps :3
