Answer: 22.5 inches
Step-by-step explanation:
- the general formula for finding perimeter is

- a pentagon contains 5 sides

- note that this is a regular pentagon so it must contain 5 congruent sides
- each side will be 4.5 inches
- the formula can be changed to
and solved:

∴ 22.5 inches = perimeter of the pentagon
Answer:
f(n) = 2 + 3(n-1)
Step-by-step explanation:
Answer 15
Step-by-step explanation:
21 minus 5 is 16 munus 1 is 15 duh