Respuesta :

Answer:

green box= b

grey box = a

Step-by-step explanation:

They are asking for the distance formula for RS.

d = √(x2-x1)² +(y2-y1)²

(0,a) is x1, y1

(b,c) is x2, y2

d= √(b-0)² + (c-a)²

d = √(b)² + (c-a)²

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