Question

will reward medal for help.

The coordinates R(1, -3), S(3, -1) T(5, -7) form a right triangle.
True
False
how do i do this?

Answer 1

find distance between R nd S

Answer 2

2 sqrt 2

Answer 3

find the distance for all sides
if the length of the longest side when squared is the sum of the squares of the other 2 sides then you have a right triangle .

distance formula, pythagorean theorem