HELP HELP HELP HELP HELP HELP HELP but don't answer with a link​

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

sweetheart, there isn't a cube below.

the correct answer is 1.7