Leon created a scale drawing of the school library in his art class.
In the scale drawing, the length of the library is 13 inches.
The length of the actual library is 78 feet.
Which scale did Leon use to create the scale drawing of the school library?
A)
1 inch represents 6 feet
B)
1 inch represents 1 foot
6 inches represents 1 foot
D)
6 inches represents
foot

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