You spin once on the spinner. What is the sample space for this action? How many outcomes are in the sample space? Choose the correct answer below. A. The sample space is 1, 1, 5, 5. There are 4 outcomes.
B. The sample space is 1, 5, 7. There are 3 outcomes.
C. The sample space is 1, 5, 7, 9. There are 4 outcomes.
D. The sample space is 1, 2, 3, 4. There are 4 outcomes.

The spinner as the numbers 1,5,9,7

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