math
posted by Anonymousab .
find the area of a right angled riangle. find the distance from A to B. Find the distance from B to C. Find the midpoint
B(1,4)
A(1,1)
C(4,1)
thanks for your time and help.

AB = 5
BC = √(5)^2 + )5^2) = √50 = 5√2
what midpoint? 
how did you find the answer? did you take the slope??? can you explain how