ANSWER:
∠1 = ∠4 (Vertically opposite angle).
∠1 = ∠5 (Corresponding angle).
∠1 = ∠8 (Alternate exterior angle).
So, ∠4 , ∠5 and ∠8 are congruent to ∠1.
142 square rooted is between 11 and 12 is correct.
Because 142 square rooted is 11.92 which is between 11 and 12.
So the third choice is the answer.
