Answer:
19.5959179423 or when simplified, 19.6
Step-by-step explanation:
Three to the power of negative four is 81
Answer:
A=78
B=102
C=78
Step-by-step explanation:
A= a and 102 are on a straight line so they add up to 180. 180-102=78. The same goes for C
B= the vertical angle for 102, or the same thing with a and c, just flipped around