Measuring Perimeter of Polygons
📏 Instructions: Calculate the perimeter of each shape by adding all the side lengths together. Show your working and include units in your answers.
1. Regular Pentagon
Each side is 7 cm long.
Working: _________________________________________________________
Perimeter = _________________
2. Rectangle
Working: _________________________________________________________
Perimeter = _________________
3. Irregular Triangle
Side A = 8 cm, Side B = 6 cm, Side C = 10 cm
Working: _________________________________________________________
Perimeter = _________________
4. Irregular Quadrilateral
The four sides measure 9 cm, 7 cm, 11 cm, and 8 cm.
Working: _________________________________________________________
Perimeter = _________________
5. Regular Hexagon
Each side is 4.5 cm long.
Working: _________________________________________________________
Perimeter = _________________
6. Irregular Pentagon
The five sides measure 6 cm, 8 cm, 5 cm, 9 cm, and 7 cm.
Working: _________________________________________________________
Perimeter = _________________
🌟 Challenge Question:
A regular octagon has a perimeter of 64 cm. What is the length of each side?
Working: _________________________________________________________
Each side = _________________