Explanation: The formula for calculating the distance between two points is: d=√(x2−x1)^2+(y2−y1)^2 Substituting the values from the points in the problem gives: d=√(7−2)^2+(4−−6)^2 d=√(7−2)^2+(4+6)^2 d=√5^2+10^2 d=√25+100 d=√125 d=√25⋅5 d=√25√5 d=5√5
