A container is in the shape of the rectangular prism shown. Stan measures the length of PS as 12 feet, the length of SR as 9 feet, and the length of RV as 8 feet. Stan needs to calculate the distance from point P to point V.

Note: Image not drawn to scale.

What is the distance from point P to point V?
A.
17 feet
B.
15 feet
C.
23 feet
D.
21 feet

Given: ab ≅ cd and ad ≅ bc prove: abcd is a parallelogram. statements reasons 1. ab ≅ cd; ad ≅ bc 1. given 2. ac ≅ ac 2. reflexive property 3. △adc ≅ △cba 3. ? 4. ∠dac ≅ ∠bca; ∠acd ≅ ∠cab 4. cpctc 5. ∠dac and ∠bca are alt. int. ∠s; ∠acd and ∠cab are alt. int. ∠s 5. definition of alternate interior angles 6. ab ∥ cd; ad ∥ bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3? triangle angle sum theorem sas congruency theorem sss congruency theorem cpctc