Rebecca and Jago are proving the Pythagorean Theorem for a triangle. They arrange four congruent right triangles with sides
r
,
s
,
and
t
in the shape of a square, as shown.



Which equation could Rebecca and Jago use in their proof?

Rebecca and Jago are proving the Pythagorean Theorem for a triangle They arrange four congruent right triangles with sides r s and t in the shape of a square as class=