A pentagon has three sides with length x, and two sides with the length 3x. If x is `2/3` of an inch, what is the perimeter of the pentagon?

If the length of two sides of an isosceles triangle are 3 and 7, what is the perimeter of the triangle?

If the sides of a regular pentagon are l , find the rule that gives the perimeter of the pentagon. Also, use rule to find the perimeter if the side of the pentagon is 7 cm.

Find the perimeter of a regular pentagon of side 8cm.

Find the perimeter of a regular pentagon of side 8 cm.

In the figure above, adjacent sides meet at right angles and the lengths given are in inches. What is perimeter of the figure, in inches?

A pentagon is formed by cutting a triangular corner from a rectangular piece of paper. The five sides of the pentagon have length 13, 19, 20, 25 and 31 not necessarily in that order. The area of the pentagon is

A pentagon is formed by cutting a triangular corner from a rectangular piece of paper. The five sides of the pentagon have length 13, 19, 20, 25 and 31 not necessarily in that order. The area of the pentagon is

A pentagon is formed by cutting a triangular corner from a rectangular piece of paper. The five sides of the pentagon have length 13, 19, 20, 25 and 31 not necessarily in that order. The area of the pentagon is

A pentagon is formed by cutting a triangular corner from a rectangular piece of paper. The five sides of the pentagon have length 13, 19, 20, 25 and 31 not necessarily in that order. The area of the pentagon is