What is the length of the indicated arc ? A.
π
B.
(
1π
⁄
2
)
C.
2π
D.
4π
E.
None of the above

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.