The tax to $2.99 would be the extra 1 cent you would have to pay so that it would become $3.00. Additional tax may be added like 6 cent or something but that only depends on the store or place you go to.
Answer:
.
Explanation:
We are given that,
In △EFG,


To find: 
As we know that, angles opposite to the congruent sides of a triangle are congruent.
Thus, In △EFG
if
and 
then it implies 
Hence, we get
.