Is this right
i wanted to know how to graph this

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?