00:01
To find the length of each side, we're first going to find the length of ab.
00:06
So you're going to use the distance formula.
00:09
So the square root of x2 minus x1, so 16 minus 6 squared.
00:17
And then you're going to subtract the y's 0 minus negative 5 squared.
00:24
And that would be 10 squared plus 5 squared, which will be 10 squared plus 5 squared, which will.
00:32
Be 100 plus 25, which is square root of 125.
00:45
Now to find b .c, b .c is going to be, so track the x together, so negative 5 minus 6 squared.
00:58
Then subtract the y's.
01:03
So we'll have negative 11 squared plus, and this is going to now be a positive, so negative 2 squared.
01:13
So, 1 ,000.
01:14
So, 1 ,000.
01:14
21 plus 4 which is square root of 125...