Google Classroom
GeoGebraGeoGebra Classroom

Perimeter Example 1

Step 1: Count how many units there are between points B and C Step 2: Since you know that this shape is a square you can multiply the value by 4 since all 4 sides are equal length you have the perimeter
Answer: You can use the distance tool under the angle block and click on line BC to get the length and then multiply it by 4 5x4=20 Perimeter = 20