Mathematics for IGCSE & O level - Mensuration (Section 2 - No. 15)
The perimeter of a shape is the distance all the way around the edge of the shape. Which of the following units would be appropriate to express the perimeter of a 2-D shape?
Square meters
Cubic centimeters
Kilometers
Liters
คำอธิบาย
Perimeter is a measure of length, and kilometers (km) is a unit of length.