Answer:
Area of a regular pentagon = pa/2, where p = the perimeter and a = the apothem. If you don't know the perimeter, calculate it from the side length: p = 5s, where s is the side length.
Step-by-step explanation:
No because the sum could also be irrational number which for example it could be square root of 9 or 49
Hope this helps answer your question
Perpendicular to the base.
Hope this helps!!!
