Perimeter (Grade 12 NSC Matric Mathematical Literacy): Flashcards

Total distance around the outside edge of a shape

$2 imes ext{length} + 2 imes ext{width}$

$4 imes ext{side length}$

Add all three side lengths together

$\pi \times \text{diameter}$

The perimeter of a circle

3.142

Multiply diagram measurement by scale factor

mm, cm, m, or km (units of length)

Rectangle has two pairs of equal sides