Question

In the adjoining triangleABC
AD is the median.
Find: co-ordinate of point D and length AD
Given: A=(7,-3) ,B=(5,3) ,C=(3,-1)
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Answer 1

Answer:

co-ordinate of D is ( 4,1)

the length of of the median is..5 units.

Step-by-step explanation:

let, the co-ordinate of D be (x,y)

then X=( X co-ordinate of B + X co-ordinate of C) ÷2

=(5+3)/2

=4.

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.and y = (Y co-ordinate of B + Y co-ordinate of C) ÷2

=(3-1)/2

=1.

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the co-ordinate of point D is (4,1)

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the formula of calculating the length of any straight line joining two points is

{(x2-x1) ²+(y2-y1) ²}½

the length of AD={(4-7)²+(1+3)²}½

. . . . . . . . . . . . . . . ={9+16}½

. . . . .... . . . . . . . . . =5.

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hope it helps you keep it up and keep posting that type of good questions , thank you .