Triangle RST with vertices R(-8, 2), SC- 8,-6) and T (4,-6) is dilated by a scale factor of ş. Which statement is false? A Triangle RST is smaller than triangle R'ST'.

B The algebraic representation for the dilation is (x, y) (1.5x, 1.5y).

C Triangle RST is bigger than triangle R'S'T'.

D Trianlge RST and R'S'T' are similar.

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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