Answer: 5
Step-by-step explanation:
The distance formula to find the distance between two points in geometry is d=[tex]\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2} }\\[/tex].
Simply plug in the value and solve to find the answer
x1 = 1
x2 = -2
y1 = 5
y2 = 1
