Question

The vertices of the base of an isosceles triangle are (-1, -2) and (1,4). If the 3rd vertex lies on the line 4x + 3y = 1. Find the area of the triangle

Answer 1

do u knw the distance formula?

Answer 2

Yes, how do you apply it to there

Answer 3

use it to find the length of the base

Answer 4

Length is 2(sqrt(10)). After finding the length, what comes next?

Answer 5

find the coordinate of the third vertex.

Answer 6

How? What formula should I use?