Area & Perimeter

The perimeter of this triangle is 12 feet.    What is the unknown length?

Hannah forms 34 inches of wire into the shape of a 5-sided house. Two of the sides are each 5 inches long and two of the sides are each 7 inches long. How long is the last side?

Taka knows that the perimeter of this trapezoid is 18 centimeters.What is the length of the top side?

Aria is decorating a poster for school.  The poster is 8 inches long and 3 inches wide.  What is the perimeter of Aria's poster?

Write an equation to find the perimeter of this rectangle.

Zayden is walking around a square playground.  Each side of the playground is 5 meters long.  What is the total distance Zayden walks if he walks all the way around the playground?

Paloma makes this sign for her bedroom door. She wants to put a ribbon border around all the edges of the sign. She has 12 inches of ribbon. Does she have enough ribbon? Explain.

Tyler has a kite with four sides. Two of the sides are 8 inches long. Two of the sides are 12 inches long. What is the perimeter of the kite?

The perimeter of this shape is 18 feet. What is the unknown side length?

Nicolas and Anthony are building a rectangular garden. The garden is 6 feet long and 4 feet wide. What is the perimeter of their garden?