Which of these best describes the hypotenuse-angle theorem?
a. if the hypotenuse and an acute angle of a right triangle are similar to the corresponding parts of another right triangle, then the triangles are similar
b. none of these
c. if a side and an acute angle of a right triangle are congruent to the corresponding parts of another right triangle, then the triangles are congruent.
d. if the hypotenuse and an acute angle of a right triangle are congruent to the corresponding parts of another right triangle, then the triangles are congruent.