Complete the following triangle congruence statement:

△FDE≅△

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

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z