Answer:
The length of each side of the pentagon is 8.3 cm
Step-by-step explanation:
we know that
A regular pentagon has five equal sides
The perimeter of a regular pentagon is equal to
where
x is the length side of each side
we have
substitute
Solve for x
Divide by 5 both sides
Answer:
Mirror
Step-by-step explanation:
Answer:
15 months
Step-by-step explanation:
330+120=450, and 450 divided by 30 equals 15. Therefore, Sophia has saved $30 to her savings account every month for 15 months.
solve for "a", once you get "a", plug it back into either equation to get "b"
It would be -145 if its below sea level.