Answer:
45-20=25
Step-by-step explanation:
i think im sure. im sorry if i gave you the wrong answer
Answer:
im really bad at math but here
Step-by-step explanation:
hi my
Answer:

Step-by-step explanation:
We are given the vertices of triangle ABC. We need to find the length of median AD.
Please see the attachment for figure.
D is mid point of BC because median bisect the opposite side of triangle.
Using the formula of mid point. we get coodrinate of D

D is mid point of B(1,5) and C(-3,-1)

AD is median of triangle ABC. Now we find length of median AD using distance formula of two coordinate.

A(5,1) and D(-1,2)


Thus, 
Answer:
5
Step-by-step explanation:
hope this helps!!!
Answer:21
(7*12)/4
Step-by-step explanation: