In the diagram, transversal t cuts parallel lines a and b. which equation is necessarily true?
a.
m∠1 = m∠7
b.
m∠3 = m∠6
c.
m∠5 + m∠8 = 90°
d.
m∠6 + m∠7 = 180°

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: