Question

what is the perimeter of square bcde? perimeter = units

Explanation:

Step1: Determine side - length of square

Count the grid units between two adjacent vertices. For example, between B and C, the side - length $s = 2$ units.

Step2: Use perimeter formula for square

The perimeter formula of a square is $P = 4s$. Substitute $s = 2$ into the formula: $P=4\times2$.

Answer:

8