The diagram shows a right-angled triangle. to
3 cm
8 cm
Find the size of angle x.
Give your answer correct to 1 decimal place.

answer4 to the second power is 16

and 4 to the third power is 64,

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.