What is the perimeter of a rhombus-shaped highway sign with a 20-centimeter side?
Solution:
The perimeter of rhombus with side a as shown below is 4a

The side a = 20 cm
The perimeter of the signboard can be obtained by just adding the four sides.
Perimeter of the Rhombus shaped Highway Sign = 4 × 20 = 80 cm
What is the perimeter of a rhombus-shaped highway sign with a 20-centimeter side?
Summary:
The perimeter of a rhombus-shaped highway sign with a 20-centimeter side is 80 cm.
Math worksheets and
visual curriculum
visual curriculum