3. The vertices of triangle JEN are J(2, 10), E(6,4), and N(12, 8). Use coordinate geome-
try to prove that triangle JEN is an isosceles
right triangle

I need help with this I need work shown out and need to graph it

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: