David designs floor tiles. His latest design is shaped as a regular pentagon. Write a formula for the perimeter of the tile in terms of the length of a side. Evaluate the formula for the side length of 3 inches.
A.
P = 5s; 15 inches
B.
P = 5 + s; 8 inches
C.
P = 5 + s; 9 inches
D.
P = 5s; 18 inches

Question

David designs floor tiles. His latest design is shaped as a regular pentagon. Write a formula for the perimeter of the tile in terms of the length of a side. Evaluate the formula for the side length of 3 inches.
 A.	
  P = 5s; 15 inches  
 B.	
  P = 5 + s; 8 inches  
 C.	
  P = 5 + s; 9 inches  
 D.	
  P = 5s; 18 inches

welshfella · Answer

there are 5 sides to a pentagon

welshfella · Answer

each side is equal since its a regular pentagon
so if the side  is s inches long then its perimeter = 5 * s  ins