Answer:
A≈11.28
Step-by-step explanation:
A=a²+2a √((a²/4) +h^2)
The answer is 9
take 4 to the other hand it become -4
r=13-4=9
Answer: the answer is gonna be a decimal which is Decimal: 145.333333 the 3 is repeated it keeps going forever
7.62
use distance formula
Answer: A.
