Question

Triangle XYZ has been dilated to form triangle LMN. What is the least amount of information needed to prove the two triangles are similar?

a. Two pairs of corresponding angles and one pair of corresponding sides
b. Two pairs of corresponding sides and one pair of corresponding angles
c. Two pairs of corresponding angles
d. Two pairs of corresponding sides

Answer 1

C. Two pairs of corresponding angles will lock in the 3rd angel and triangles will be similar

Having two pairs of corresponding sides does not guarantee similar triangles. See the attachment.