Answer:
7.8 units
Step-by-step explanation:
P(Xp, Yp)= (7,7)
Q(Xq, Yq)= (1,2)
distance= l=[tex]\sqrt{(Xp-Xq)^{2} +(Yp-Yq)^{2}}[/tex]
l=[tex]\sqrt{(7-1)^{2} +(7-2)^{2}}[/tex]
l= [tex]\sqrt{6^{2} } +5^{2}[/tex]
l=[tex]\sqrt{61}[/tex]
l=7.8102 (to 4 dec. places)
I= 7.8 (to nearest tenth)